Perfect Square
1298074214633706330671871778881600 is a perfect square (36028797018963960 × 36028797018963960)
1298074214633706330671871778881600 is a perfect square (36028797018963960 × 36028797018963960)
1298074214633706330671871778881600 is even
Previous even number is 1298074214633706330671871778881598
Next even number is 1298074214633706330671871778881602
2187250724783009010369163888525632582960338233523627637200143017557785651256587420013794922496000000
1684996666696913490589011816094637137027472168313525603746818560000
11111111111111111111111111111111111111111111111111100000000000000000000000000000000000000000000000000001000000