Command:
$ ((x=(2**63)-1)); echo $x; ((x++)); echo $x;
Result:
9223372036854775807
-9223372036854775808
Interesting note:
9,223,372,036,854,775,807
is
nine quintillion two hundred twenty three quadrillion three hundred seventy two trillion thirty six billion eight hundred fifty four million seven hundred seventy five thousand eight hundred seven
is
九百二十二京三千三百七十二兆三百六十八億五千四百七十七万五千八百七
