564795963 has 16 divisors (see below), whose sum is σ = 848199840. Its totient is φ = 371371392.

The previous prime is 564795953. The next prime is 564795971. The reversal of 564795963 is 369597465.

564795963 is a `hidden beast` number, since 5 + 6 + 47 + 9 + 596 + 3 = 666.

It is not a de Polignac number, because 564795963 - 2²¹ = 562698811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564795923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141306 + ... + 145247.

It is an arithmetic number, because the mean of its divisors is an integer number (53012490).

Almost surely, 2^564795963 is an apocalyptic number.

564795963 is a deficient number, since it is larger than the sum of its proper divisors (283403877).

564795963 is a wasteful number, since it uses less digits than its factorization.

564795963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286635 (or 286629 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 54.

The square root of 564795963 is about 23765.4363099018. The cubic root of 564795963 is about 826.6034139262.

The spelling of 564795963 in words is "five hundred sixty-four million, seven hundred ninety-five thousand, nine hundred sixty-three".