339956645639 has 16 divisors (see below), whose sum is σ = 370049440992. Its totient is φ = 310429974528.

The previous prime is 339956645591. The next prime is 339956645663. The reversal of 339956645639 is 936546659933.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-339956645639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339956645669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2768327 + ... + 2888519.

It is an arithmetic number, because the mean of its divisors is an integer number (23128090062).

Almost surely, 2^339956645639 is an apocalyptic number.

339956645639 is a deficient number, since it is larger than the sum of its proper divisors (30092795353).

339956645639 is a wasteful number, since it uses less digits than its factorization.

339956645639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122546.

The product of its digits is 425152800, while the sum is 68.

The spelling of 339956645639 in words is "three hundred thirty-nine billion, nine hundred fifty-six million, six hundred forty-five thousand, six hundred thirty-nine".