6839905637404 has 12 divisors (see below), whose sum is σ = 13679811274864. Its totient is φ = 2931388130304.

The previous prime is 6839905637381. The next prime is 6839905637419. The reversal of 6839905637404 is 4047365099386.

6839905637404 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122141172069 + ... + 122141172124.

Almost surely, 2^{6839905637404} is an apocalyptic number.

It is an amenable number.

6839905637404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6839905637404 is a wasteful number, since it uses less digits than its factorization.

6839905637404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244282344204 (or 244282344202 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 64.

The spelling of 6839905637404 in words is "six trillion, eight hundred thirty-nine billion, nine hundred five million, six hundred thirty-seven thousand, four hundred four".