Q: What is the negative version of the number 644,053,772?
A: -644,053,772
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:
| 644,053,770 | 644,053,771 | 644,053,773 | 644,053,774 |
| -644,053,770 | -644,053,771 | -644,053,773 | -644,053,774 |