564388963 has 2 divisors, whose sum is σ = 564388964. Its totient is φ = 564388962.

The previous prime is 564388873. The next prime is 564388991. The reversal of 564388963 is 369883465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564388963 - 2²¹ = 562291811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564388963.

It is not a weakly prime, because it can be changed into another prime (564388063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282194481 + 282194482.

It is an arithmetic number, because the mean of its divisors is an integer number (282194482).

Almost surely, 2^564388963 is an apocalyptic number.

564388963 is a deficient number, since it is larger than the sum of its proper divisors (1).

564388963 is an equidigital number, since it uses as much as digits as its factorization.

564388963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 52.

The square root of 564388963 is about 23756.8719110913. The cubic root of 564388963 is about 826.4048121565.

The spelling of 564388963 in words is "five hundred sixty-four million, three hundred eighty-eight thousand, nine hundred sixty-three".