The MaxValue field or property of Int64 Struct is used to represent the maximum value of Int64. The value of this field is constant means that the user cannot change the value of this field. The value of this field is 9223372036854775807. Its hexadecimal value is 0x7FFFFFFFFFFFFFFF.
public const long MaxValue = 9223372036854775807;
Return Value: This field always returns 9223372036854775807.
Maximum Value is: 9223372036854775807 Not equal..!! Type of var1 is: Int64