339956645591 has 2 divisors, whose sum is σ = 339956645592. Its totient is φ = 339956645590.

The previous prime is 339956645569. The next prime is 339956645663. The reversal of 339956645591 is 195546659933.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 339956645591 - 2¹⁸ = 339956383447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339956645191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169978322795 + 169978322796.

It is an arithmetic number, because the mean of its divisors is an integer number (169978322796).

Almost surely, 2^339956645591 is an apocalyptic number.

339956645591 is a deficient number, since it is larger than the sum of its proper divisors (1).

339956645591 is an equidigital number, since it uses as much as digits as its factorization.

339956645591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 118098000, while the sum is 65.

The spelling of 339956645591 in words is "three hundred thirty-nine billion, nine hundred fifty-six million, six hundred forty-five thousand, five hundred ninety-one".