Q: What is the negative version of the number 644,657,560?
A: -644,657,560
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:
| 644,657,558 | 644,657,559 | 644,657,561 | 644,657,562 |
| -644,657,558 | -644,657,559 | -644,657,561 | -644,657,562 |