564938839427 has 2 divisors, whose sum is σ = 564938839428. Its totient is φ = 564938839426.

The previous prime is 564938839411. The next prime is 564938839483. The reversal of 564938839427 is 724938839465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 564938839427 - 2⁴ = 564938839411 is a prime.

It is not a weakly prime, because it can be changed into another prime (564938832427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282469419713 + 282469419714.

It is an arithmetic number, because the mean of its divisors is an integer number (282469419714).

Almost surely, 2^564938839427 is an apocalyptic number.

564938839427 is a deficient number, since it is larger than the sum of its proper divisors (1).

564938839427 is an equidigital number, since it uses as much as digits as its factorization.

564938839427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 313528320, while the sum is 68.

The spelling of 564938839427 in words is "five hundred sixty-four billion, nine hundred thirty-eight million, eight hundred thirty-nine thousand, four hundred twenty-seven".