Perfect Square
667469230380385801 is a perfect square (816987901 × 816987901)
667469230380385801 is a perfect square (816987901 × 816987901)
667469230380385801 is odd
Previous odd number is 667469230380385799
Next odd number is 667469230380385803
1001 0100 0011 0101 0011 1011 1010 1000 0111 0101 0011 1000 0110 0000 1001