Q: What is the negative version of the number 644,435,155?
A: -644,435,155
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:
| 644,435,153 | 644,435,154 | 644,435,156 | 644,435,157 |
| -644,435,153 | -644,435,154 | -644,435,156 | -644,435,157 |