564117709 has 4 divisors (see below), whose sum is σ = 565920316. Its totient is φ = 562315104.

The previous prime is 564117707. The next prime is 564117721. The reversal of 564117709 is 907711465.

564117709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 147549609 + 416568100 = 12147^2 + 20410^2 .

It is a cyclic number.

It is not a de Polignac number, because 564117709 - 2¹ = 564117707 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 (564117707) 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, 900834 + ... + 901459.

It is an arithmetic number, because the mean of its divisors is an integer number (141480079).

Almost surely, 2^564117709 is an apocalyptic number.

It is an amenable number.

564117709 is a deficient number, since it is larger than the sum of its proper divisors (1802607).

564117709 is a wasteful number, since it uses less digits than its factorization.

564117709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802606.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 564117709 is about 23751.1622662976. The cubic root of 564117709 is about 826.2723966608.

The spelling of 564117709 in words is "five hundred sixty-four million, one hundred seventeen thousand, seven hundred nine".