6813839634 has 32 divisors (see below), whose sum is σ = 15578459136. Its totient is φ = 1946315280.

The previous prime is 6813839579. The next prime is 6813839647. The reversal of 6813839634 is 4369383186.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165949 + ... + 202895.

It is an arithmetic number, because the mean of its divisors is an integer number (486826848).

Almost surely, 2^6813839634 is an apocalyptic number.

6813839634 is an abundant number, since it is smaller than the sum of its proper divisors (8764619502).

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

6813839634 is a wasteful number, since it uses less digits than its factorization.

6813839634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41350.

The product of its digits is 2239488, while the sum is 51.

The square root of 6813839634 is about 82545.9849659570. The cubic root of 6813839634 is about 1895.8208823963.

The spelling of 6813839634 in words is "six billion, eight hundred thirteen million, eight hundred thirty-nine thousand, six hundred thirty-four".