564308773938 has 96 divisors (see below), whose sum is σ = 1527283744896. Its totient is φ = 146607335424.

The previous prime is 564308773859. The next prime is 564308773949. The reversal of 564308773938 is 839377803465.

564308773938 is a `hidden beast` number, since 56 + 430 + 87 + 73 + 9 + 3 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2461231 + ... + 2680722.

It is an arithmetic number, because the mean of its divisors is an integer number (15909205676).

Almost surely, 2^564308773938 is an apocalyptic number.

564308773938 is an abundant number, since it is smaller than the sum of its proper divisors (962974970958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

564308773938 is a wasteful number, since it uses less digits than its factorization.

564308773938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142048 (or 5142045 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 63.

The spelling of 564308773938 in words is "five hundred sixty-four billion, three hundred eight million, seven hundred seventy-three thousand, nine hundred thirty-eight".