564206315506623 has 40 divisors (see below), whose sum is σ = 863431362988656. Its totient is φ = 366943100227200.

The previous prime is 564206315506601. The next prime is 564206315506693. The reversal of 564206315506623 is 326605513602465.

It is a happy number.

564206315506623 is a `hidden beast` number, since 5 + 6 + 4 + 2 + 0 + 6 + 3 + 1 + 5 + 5 + 0 + 6 + 623 = 666.

It is not a de Polignac number, because 564206315506623 - 2²⁵ = 564206281952191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564206315506623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564206315506693) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 55277340 + ... + 64683822.

Almost surely, 2^{564206315506623} is an apocalyptic number.

564206315506623 is a deficient number, since it is larger than the sum of its proper divisors (299225047482033).

564206315506623 is a wasteful number, since it uses less digits than its factorization.

564206315506623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9424597 (or 9424588 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 54.

The spelling of 564206315506623 in words is "five hundred sixty-four trillion, two hundred six billion, three hundred fifteen million, five hundred six thousand, six hundred twenty-three".