Q: What is the negative version of the number 643,355,617?
A: -643,355,617
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:
| 643,355,615 | 643,355,616 | 643,355,618 | 643,355,619 |
| -643,355,615 | -643,355,616 | -643,355,618 | -643,355,619 |