Q: What is the negative version of the number 643,612,218?
A: -643,612,218
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:
| 643,612,216 | 643,612,217 | 643,612,219 | 643,612,220 |
| -643,612,216 | -643,612,217 | -643,612,219 | -643,612,220 |