Q: What is the negative version of the number 644,202,564?
A: -644,202,564
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:
| 644,202,562 | 644,202,563 | 644,202,565 | 644,202,566 |
| -644,202,562 | -644,202,563 | -644,202,565 | -644,202,566 |