551962815364 has 9 divisors (see below), whose sum is σ = 965937527191. Its totient is φ = 275980664740.

The previous prime is 551962815347. The next prime is 551962815389. The reversal of 551962815364 is 463518269155.

The square root of 551962815364 is 742942.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1300149 + ... + 1671619.

Almost surely, 2^551962815364 is an apocalyptic number.

551962815364 is the 742942-nd square number.

It is an amenable number.

551962815364 is a deficient number, since it is larger than the sum of its proper divisors (413974711827).

551962815364 is an frugal number, since it uses more digits than its factorization.

551962815364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742946 (or 371473 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 55.

The spelling of 551962815364 in words is "five hundred fifty-one billion, nine hundred sixty-two million, eight hundred fifteen thousand, three hundred sixty-four".