564953649 has 24 divisors (see below), whose sum is σ = 823236480. Its totient is φ = 344440512.

The previous prime is 564953617. The next prime is 564953663. The reversal of 564953649 is 946359465.

It is not a de Polignac number, because 564953649 - 2⁵ = 564953617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564953149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50152 + ... + 60374.

It is an arithmetic number, because the mean of its divisors is an integer number (34301520).

Almost surely, 2^564953649 is an apocalyptic number.

It is an amenable number.

564953649 is a deficient number, since it is larger than the sum of its proper divisors (258282831).

564953649 is a wasteful number, since it uses less digits than its factorization.

564953649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10361 (or 10348 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 51.

The square root of 564953649 is about 23768.7536273991. The cubic root of 564953649 is about 826.6803335373.

The spelling of 564953649 in words is "five hundred sixty-four million, nine hundred fifty-three thousand, six hundred forty-nine".