564238661339 has 2 divisors, whose sum is σ = 564238661340. Its totient is φ = 564238661338.

The previous prime is 564238661333. The next prime is 564238661359. The reversal of 564238661339 is 933166832465.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 564238661339 - 2⁴ = 564238661323 is a prime.

It is not a weakly prime, because it can be changed into another prime (564238661333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282119330669 + 282119330670.

It is an arithmetic number, because the mean of its divisors is an integer number (282119330670).

Almost surely, 2^564238661339 is an apocalyptic number.

564238661339 is a deficient number, since it is larger than the sum of its proper divisors (1).

564238661339 is an equidigital number, since it uses as much as digits as its factorization.

564238661339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16796160, while the sum is 56.

The spelling of 564238661339 in words is "five hundred sixty-four billion, two hundred thirty-eight million, six hundred sixty-one thousand, three hundred thirty-nine".