Q: What is the negative version of the number 644,641,017?
A: -644,641,017
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:
| 644,641,015 | 644,641,016 | 644,641,018 | 644,641,019 |
| -644,641,015 | -644,641,016 | -644,641,018 | -644,641,019 |