[lpghatguy]

2^64 seconds is 584.9 billion years. I think it's pretty safe to kick the can nearly 600 billion years down the road.

[masklinn]

It's signed so only 2^63-1s, or 292 billion years.

'bout the same as tomorrow really, better do nothing, for in the end all is dust.

[jandrese]

In retrospect we should have made it unsigned, but set the epoch at the Big Bang.

[drran]

2^63 is just 292 billion years. Beware.

[mlyle]

~1/4th to 1/40th the length of time where star formation will still be possible. Woefully insufficient.

[mjevans]

Ruler of great size, less useful when measured aspects are a pile of disconnected threads rather than a canvas that is mostly shared and mostly distorted the same way.