6839104840557 has 16 divisors (see below), whose sum is σ = 10059561771840. Its totient is φ = 4098339977600.

The previous prime is 6839104840541. The next prime is 6839104840591. The reversal of 6839104840557 is 7550484019386.

It is a happy number.

It is not a de Polignac number, because 6839104840557 - 2⁴ = 6839104840541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6839104840557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6839104840457) 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, 1164298194 + ... + 1164304067.

It is an arithmetic number, because the mean of its divisors is an integer number (628722610740).

Almost surely, 2^{6839104840557} is an apocalyptic number.

It is an amenable number.

6839104840557 is a deficient number, since it is larger than the sum of its proper divisors (3220456931283).

6839104840557 is a wasteful number, since it uses less digits than its factorization.

6839104840557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328602364.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 6839104840557 in words is "six trillion, eight hundred thirty-nine billion, one hundred four million, eight hundred forty thousand, five hundred fifty-seven".