int64 range code example

Example 1: range of int

TypeName	Bytes	        Range of Values
  int		  4	    -2,147,483,648 to 2,147,483,647

Example 2: int32 vs int64

Int32 and Int64 are defined by their names. Int32 is a signed, thirty-two byte integer value (4 bytes), and an int64 is a signed, sixty-four bit integer value (8 bytes). Int32 has a min/max of 2.147 billion and int64 has a min/max of 9223 with a lot of zeroes