564616829 has 4 divisors (see below), whose sum is σ = 645276384. Its totient is φ = 483957276.

The previous prime is 564616769. The next prime is 564616831. The reversal of 564616829 is 928616465.

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.

It is a cyclic number.

It is not a de Polignac number, because 564616829 - 2¹⁶ = 564551293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564616849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40329767 + ... + 40329780.

It is an arithmetic number, because the mean of its divisors is an integer number (161319096).

Almost surely, 2^564616829 is an apocalyptic number.

It is an amenable number.

564616829 is a deficient number, since it is larger than the sum of its proper divisors (80659555).

564616829 is an equidigital number, since it uses as much as digits as its factorization.

564616829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80659554.

The product of its digits is 622080, while the sum is 47.

The square root of 564616829 is about 23761.6672184424. The cubic root of 564616829 is about 826.5160145567.

The spelling of 564616829 in words is "five hundred sixty-four million, six hundred sixteen thousand, eight hundred twenty-nine".