564129689 has 4 divisors (see below), whose sum is σ = 564188880. Its totient is φ = 564070500.

The previous prime is 564129679. The next prime is 564129707. The reversal of 564129689 is 986921465.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 564129689 - 2¹² = 564125593 is a prime.

It is a super-2 number, since 2×564129689² = 636484612022473442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564129679) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11687 + ... + 35564.

It is an arithmetic number, because the mean of its divisors is an integer number (141047220).

Almost surely, 2^564129689 is an apocalyptic number.

It is an amenable number.

564129689 is a deficient number, since it is larger than the sum of its proper divisors (59191).

564129689 is a wasteful number, since it uses less digits than its factorization.

564129689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59190.

The product of its digits is 933120, while the sum is 50.

The square root of 564129689 is about 23751.4144631430. The cubic root of 564129689 is about 826.2782457197.

The spelling of 564129689 in words is "five hundred sixty-four million, one hundred twenty-nine thousand, six hundred eighty-nine".