6839113518 has 12 divisors (see below), whose sum is σ = 14818079328. Its totient is φ = 2279704500.

The previous prime is 6839113513. The next prime is 6839113531. The reversal of 6839113518 is 8153119386.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6839113511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189975358 + ... + 189975393.

It is an arithmetic number, because the mean of its divisors is an integer number (1234839944).

Almost surely, 2^6839113518 is an apocalyptic number.

6839113518 is an abundant number, since it is smaller than the sum of its proper divisors (7978965810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6839113518 is a wasteful number, since it uses less digits than its factorization.

6839113518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379950759 (or 379950756 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 6839113518 is about 82698.9329919075. The cubic root of 6839113518 is about 1898.1619822573.

The spelling of 6839113518 in words is "six billion, eight hundred thirty-nine million, one hundred thirteen thousand, five hundred eighteen".