Java: Range of a long
A long is a signed 64-bit integer.
Min value (inclusive) and max value (inclusive):
−9,223,372,036,854,775,808
⋯
9,223,372,036,854,775,807
⋯
9,223,372,036,854,775,807
or, equivalently
−263 … 263−1
These values are available as constants: Long.MIN_VALUE and Long.MAX_VALUE.
See ranges of all primitive types here: Ranges of Primitive Types