564153521634 has 12 divisors (see below), whose sum is σ = 1222332630246. Its totient is φ = 188051173872.

The previous prime is 564153521627. The next prime is 564153521651. The reversal of 564153521634 is 436125351465.

It is a happy number.

564153521634 is a `hidden beast` number, since 5 + 6 + 4 + 1 + 5 + 3 + 5 + 2 + 1 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 497875593609 + 66277928025 = 705603^2 + 257445^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 564153521634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15670931139 + ... + 15670931174.

Almost surely, 2^564153521634 is an apocalyptic number.

564153521634 is an abundant number, since it is smaller than the sum of its proper divisors (658179108612).

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

564153521634 is a wasteful number, since it uses less digits than its factorization.

564153521634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31341862321 (or 31341862318 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The spelling of 564153521634 in words is "five hundred sixty-four billion, one hundred fifty-three million, five hundred twenty-one thousand, six hundred thirty-four".