Q: What is the negative version of the number 19,509,137?
A: -19,509,137
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:
| 19,509,135 | 19,509,136 | 19,509,138 | 19,509,139 |
| -19,509,135 | -19,509,136 | -19,509,138 | -19,509,139 |