Q: What is the negative version of the number 640,633,631?
A: -640,633,631
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 640,633,629 | 640,633,630 | 640,633,632 | 640,633,633 |
| -640,633,629 | -640,633,630 | -640,633,632 | -640,633,633 |