Q: What is the negative version of the number 61,663,643?
A: -61,663,643
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:
| 61,663,641 | 61,663,642 | 61,663,644 | 61,663,645 |
| -61,663,641 | -61,663,642 | -61,663,644 | -61,663,645 |