564909465 has 8 divisors (see below), whose sum is σ = 903855168. Its totient is φ = 301285040.

The previous prime is 564909461. The next prime is 564909467.

564909465 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 564909465 - 2² = 564909461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (564909461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18830301 + ... + 18830330.

It is an arithmetic number, because the mean of its divisors is an integer number (112981896).

Almost surely, 2^564909465 is an apocalyptic number.

It is an amenable number.

564909465 is a deficient number, since it is larger than the sum of its proper divisors (338945703).

564909465 is a wasteful number, since it uses less digits than its factorization.

564909465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37660639.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The square root of 564909465 is about 23767.8241536746. The cubic root of 564909465 is about 826.6587819191.

The spelling of 564909465 in words is "five hundred sixty-four million, nine hundred nine thousand, four hundred sixty-five".