6839905637792 has 96 divisors (see below), whose sum is σ = 14384906827200. Its totient is φ = 3192030332928.

The previous prime is 6839905637791. The next prime is 6839905637797. The reversal of 6839905637792 is 2977365099386.

It is not an unprimeable number, because it can be changed into a prime (6839905637791) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 40171334 + ... + 40341242.

It is an arithmetic number, because the mean of its divisors is an integer number (149842779450).

Almost surely, 2^{6839905637792} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6839905637792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7192453413600).

6839905637792 is an abundant number, since it is smaller than the sum of its proper divisors (7545001189408).

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

6839905637792 is a wasteful number, since it uses less digits than its factorization.

6839905637792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170918 (or 170910 counting only the distinct ones).

The product of its (nonzero) digits is 925888320, while the sum is 74.

The spelling of 6839905637792 in words is "six trillion, eight hundred thirty-nine billion, nine hundred five million, six hundred thirty-seven thousand, seven hundred ninety-two".