564446269 has 2 divisors, whose sum is σ = 564446270. Its totient is φ = 564446268.

The previous prime is 564446261. The next prime is 564446287. The reversal of 564446269 is 962644465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 560979225 + 3467044 = 23685^2 + 1862^2 .

It is a cyclic number.

It is not a de Polignac number, because 564446269 - 2³ = 564446261 is a prime.

It is a super-2 number, since 2×564446269² = 637199181176040722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564446261) 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, 282223134 + 282223135.

It is an arithmetic number, because the mean of its divisors is an integer number (282223135).

Almost surely, 2^564446269 is an apocalyptic number.

It is an amenable number.

564446269 is a deficient number, since it is larger than the sum of its proper divisors (1).

564446269 is an equidigital number, since it uses as much as digits as its factorization.

564446269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 46.

The square root of 564446269 is about 23758.0779736072. The cubic root of 564446269 is about 826.4327812549.

The spelling of 564446269 in words is "five hundred sixty-four million, four hundred forty-six thousand, two hundred sixty-nine".