Q: What is the negative version of the number 721,624,664?
A: -721,624,664
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:
| 721,624,662 | 721,624,663 | 721,624,665 | 721,624,666 |
| -721,624,662 | -721,624,663 | -721,624,665 | -721,624,666 |