564881104445613 has 4 divisors (see below), whose sum is σ = 753174805927488. Its totient is φ = 376587402963740.

The previous prime is 564881104445573. The next prime is 564881104445617. The reversal of 564881104445613 is 316544401188465.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 564881104445613 - 2²² = 564881100251309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564881104445617) by changing a digit.

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, 94146850740933 + ... + 94146850740938.

It is an arithmetic number, because the mean of its divisors is an integer number (188293701481872).

Almost surely, 2^{564881104445613} is an apocalyptic number.

It is an amenable number.

564881104445613 is a deficient number, since it is larger than the sum of its proper divisors (188293701481875).

564881104445613 is a wasteful number, since it uses less digits than its factorization.

564881104445613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188293701481874.

The product of its (nonzero) digits is 44236800, while the sum is 60.

The spelling of 564881104445613 in words is "five hundred sixty-four trillion, eight hundred eighty-one billion, one hundred four million, four hundred forty-five thousand, six hundred thirteen".