564316889 has 2 divisors, whose sum is σ = 564316890. Its totient is φ = 564316888.

The previous prime is 564316867. The next prime is 564316931. The reversal of 564316889 is 988613465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338265664 + 226051225 = 18392^2 + 15035^2 .

It is a cyclic number.

It is not a de Polignac number, because 564316889 - 2¹⁶ = 564251353 is a prime.

It is not a weakly prime, because it can be changed into another prime (564316849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282158444 + 282158445.

It is an arithmetic number, because the mean of its divisors is an integer number (282158445).

Almost surely, 2^564316889 is an apocalyptic number.

It is an amenable number.

564316889 is a deficient number, since it is larger than the sum of its proper divisors (1).

564316889 is an equidigital number, since it uses as much as digits as its factorization.

564316889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 50.

The square root of 564316889 is about 23755.3549541993. The cubic root of 564316889 is about 826.3696326143.

The spelling of 564316889 in words is "five hundred sixty-four million, three hundred sixteen thousand, eight hundred eighty-nine".