Perfect Square
81534050061799941518929 is a perfect square (285541678327 × 285541678327)
81534050061799941518929 is a perfect square (285541678327 × 285541678327)
81534050061799941518929 is odd
Previous odd number is 81534050061799941518927
Next odd number is 81534050061799941518931
10001010000111111100000111110111100010100101110110101100011001011011001010001
542022165583390102510794940373126045950168038931078726836046698479089