Perfect Square
47991490958577609 is a perfect square (219069603 × 219069603)
47991490958577609 is a perfect square (219069603 × 219069603)
10101010 10000000 00000001 10111010 11010011 11001111 11001001
47991490958577609 is odd
Previous odd number is 47991490958577607
Next odd number is 47991490958577611