Q: What is the negative version of the number 644,610,604?
A: -644,610,604
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:
| 644,610,602 | 644,610,603 | 644,610,605 | 644,610,606 |
| -644,610,602 | -644,610,603 | -644,610,605 | -644,610,606 |