564136439 has 2 divisors, whose sum is σ = 564136440. Its totient is φ = 564136438.

The previous prime is 564136369. The next prime is 564136471. The reversal of 564136439 is 934631465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564136439 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 564136396 and 564136405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564136039) 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, 282068219 + 282068220.

It is an arithmetic number, because the mean of its divisors is an integer number (282068220).

Almost surely, 2^564136439 is an apocalyptic number.

564136439 is a deficient number, since it is larger than the sum of its proper divisors (1).

564136439 is an equidigital number, since it uses as much as digits as its factorization.

564136439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The square root of 564136439 is about 23751.5565595184. The cubic root of 564136439 is about 826.2815412716.

The spelling of 564136439 in words is "five hundred sixty-four million, one hundred thirty-six thousand, four hundred thirty-nine".