564199688910845 has 16 divisors (see below), whose sum is σ = 729125392154880. Its totient is φ = 416636459313984.

The previous prime is 564199688910817. The next prime is 564199688910887. The reversal of 564199688910845 is 548019886991465.

It is a de Polignac number, because none of the positive numbers 2^k-564199688910845 is a prime.

It is a super-2 number, since 2×564199688910845² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26231765 + ... + 42620474.

It is an arithmetic number, because the mean of its divisors is an integer number (45570337009680).

Almost surely, 2^{564199688910845} is an apocalyptic number.

It is an amenable number.

564199688910845 is a deficient number, since it is larger than the sum of its proper divisors (164925703244035).

564199688910845 is a wasteful number, since it uses less digits than its factorization.

564199688910845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68978324.

The product of its (nonzero) digits is 5374771200, while the sum is 83.

The spelling of 564199688910845 in words is "five hundred sixty-four trillion, one hundred ninety-nine billion, six hundred eighty-eight million, nine hundred ten thousand, eight hundred forty-five".