Q: What is the negative version of the number 643,620,435?
A: -643,620,435
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:
| 643,620,433 | 643,620,434 | 643,620,436 | 643,620,437 |
| -643,620,433 | -643,620,434 | -643,620,436 | -643,620,437 |