564129837 has 12 divisors (see below), whose sum is σ = 842953020. Its totient is φ = 363117888.

The previous prime is 564129799. The next prime is 564129859. The reversal of 564129837 is 738921465.

564129837 is a `hidden beast` number, since 564 + 1 + 2 + 9 + 83 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 438106761 + 126023076 = 20931^2 + 11226^2 .

It is not a de Polignac number, because 564129837 - 2⁶ = 564129773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 564129792 and 564129801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564129877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1080448 + ... + 1080969.

It is an arithmetic number, because the mean of its divisors is an integer number (70246085).

Almost surely, 2^564129837 is an apocalyptic number.

It is an amenable number.

564129837 is a deficient number, since it is larger than the sum of its proper divisors (278823183).

564129837 is a wasteful number, since it uses less digits than its factorization.

564129837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161452 (or 2161449 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 564129837 is about 23751.4175787467. The cubic root of 564129837 is about 826.2783179780.

The spelling of 564129837 in words is "five hundred sixty-four million, one hundred twenty-nine thousand, eight hundred thirty-seven".