564642434451 has 16 divisors (see below), whose sum is σ = 763737085440. Its totient is φ = 371009583840.

The previous prime is 564642434443. The next prime is 564642434479. The reversal of 564642434451 is 154434246465.

It is not a de Polignac number, because 564642434451 - 2³ = 564642434443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564642434451.

It is not an unprimeable number, because it can be changed into a prime (564642434491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2588331 + ... + 2797988.

It is an arithmetic number, because the mean of its divisors is an integer number (47733567840).

Almost surely, 2^564642434451 is an apocalyptic number.

564642434451 is a deficient number, since it is larger than the sum of its proper divisors (199094650989).

564642434451 is a wasteful number, since it uses less digits than its factorization.

564642434451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386826.

The product of its digits is 5529600, while the sum is 48.

The spelling of 564642434451 in words is "five hundred sixty-four billion, six hundred forty-two million, four hundred thirty-four thousand, four hundred fifty-one".