6839508431879 has 4 divisors (see below), whose sum is σ = 6840422689920. Its totient is φ = 6838594173840.

The previous prime is 6839508431849. The next prime is 6839508431887. The reversal of 6839508431879 is 9781348059386.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6839508431879 - 2⁴⁰ = 5739996804103 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 (6839508431809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457117799 + ... + 457132760.

It is an arithmetic number, because the mean of its divisors is an integer number (1710105672480).

Almost surely, 2^{6839508431879} is an apocalyptic number.

6839508431879 is a deficient number, since it is larger than the sum of its proper divisors (914258041).

6839508431879 is an equidigital number, since it uses as much as digits as its factorization.

6839508431879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914258040.

The product of its (nonzero) digits is 313528320, while the sum is 71.

The spelling of 6839508431879 in words is "six trillion, eight hundred thirty-nine billion, five hundred eight million, four hundred thirty-one thousand, eight hundred seventy-nine".