Q: What is the negative version of the number 644,125,531?
A: -644,125,531
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:
| 644,125,529 | 644,125,530 | 644,125,532 | 644,125,533 |
| -644,125,529 | -644,125,530 | -644,125,532 | -644,125,533 |