564075385477631 has 16 divisors (see below), whose sum is σ = 588857178599424. Its totient is φ = 539315002653504.

The previous prime is 564075385477621. The next prime is 564075385477693. The reversal of 564075385477631 is 136774583570465.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564075385477631 is a prime.

It is a super-2 number, since 2×564075385477631² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564075385477621) 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, 2416420586 + ... + 2416654008.

It is an arithmetic number, because the mean of its divisors is an integer number (36803573662464).

Almost surely, 2^{564075385477631} is an apocalyptic number.

564075385477631 is a deficient number, since it is larger than the sum of its proper divisors (24781793121793).

564075385477631 is a wasteful number, since it uses less digits than its factorization.

564075385477631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278830.

The product of its (nonzero) digits is 1778112000, while the sum is 71.

The spelling of 564075385477631 in words is "five hundred sixty-four trillion, seventy-five billion, three hundred eighty-five million, four hundred seventy-seven thousand, six hundred thirty-one".