551447892964 has 12 divisors (see below), whose sum is σ = 966308631484. Its totient is φ = 275359712544.

The previous prime is 551447892893. The next prime is 551447892991. The reversal of 551447892964 is 469298744155.

It can be written as a sum of positive squares in 2 ways, for example, as 319179801600 + 232268091364 = 564960^2 + 481942^2 .

It is a junction number, because it is equal to n+sod(n) for n = 551447892896 and 551447892905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91055079 + ... + 91061134.

Almost surely, 2^551447892964 is an apocalyptic number.

It is an amenable number.

551447892964 is a deficient number, since it is larger than the sum of its proper divisors (414860738520).

551447892964 is a wasteful number, since it uses less digits than its factorization.

551447892964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182116974 (or 182116972 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 64.

The spelling of 551447892964 in words is "five hundred fifty-one billion, four hundred forty-seven million, eight hundred ninety-two thousand, nine hundred sixty-four".