Perfect Square
816809883717702624362001 is a perfect square (903775350249 × 903775350249)
816809883717702624362001 is a perfect square (903775350249 × 903775350249)
10101100 11110111 01011010 00111110 11011101 00000011 00011011 10101010 00111110 00010001
816809883717702624362001 is odd
Previous odd number is 816809883717702624361999
Next odd number is 816809883717702624362003
544957900001101367520996171470115157869316739120356964319186757005086001