564161693 has 2 divisors, whose sum is σ = 564161694. Its totient is φ = 564161692.

The previous prime is 564161657. The next prime is 564161713. The reversal of 564161693 is 396161465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 554932249 + 9229444 = 23557^2 + 3038^2 .

It is a cyclic number.

It is not a de Polignac number, because 564161693 - 2⁶ = 564161629 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564161693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564161393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282080846 + 282080847.

It is an arithmetic number, because the mean of its divisors is an integer number (282080847).

Almost surely, 2^564161693 is an apocalyptic number.

It is an amenable number.

564161693 is a deficient number, since it is larger than the sum of its proper divisors (1).

564161693 is an equidigital number, since it uses as much as digits as its factorization.

564161693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 564161693 is about 23752.0881818841. The cubic root of 564161693 is about 826.2938707964.

The spelling of 564161693 in words is "five hundred sixty-four million, one hundred sixty-one thousand, six hundred ninety-three".