564044863 has 2 divisors, whose sum is σ = 564044864. Its totient is φ = 564044862.

The previous prime is 564044797. The next prime is 564044879. The reversal of 564044863 is 368440465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564044863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564054863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282022431 + 282022432.

It is an arithmetic number, because the mean of its divisors is an integer number (282022432).

Almost surely, 2^564044863 is an apocalyptic number.

564044863 is a deficient number, since it is larger than the sum of its proper divisors (1).

564044863 is an equidigital number, since it uses as much as digits as its factorization.

564044863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 564044863 is about 23749.6286918343. The cubic root of 564044863 is about 826.2368288888.

The spelling of 564044863 in words is "five hundred sixty-four million, forty-four thousand, eight hundred sixty-three".