6839905688422 has 8 divisors (see below), whose sum is σ = 10283553357336. Its totient is φ = 3412054569312.

The previous prime is 6839905688359. The next prime is 6839905688437. The reversal of 6839905688422 is 2248865099386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3949136368 + ... + 3949138099.

It is an arithmetic number, because the mean of its divisors is an integer number (1285444169667).

Almost surely, 2^{6839905688422} is an apocalyptic number.

6839905688422 is a deficient number, since it is larger than the sum of its proper divisors (3443647668914).

6839905688422 is a wasteful number, since it uses less digits than its factorization.

6839905688422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7898274902.

The product of its (nonzero) digits is 358318080, while the sum is 70.

The spelling of 6839905688422 in words is "six trillion, eight hundred thirty-nine billion, nine hundred five million, six hundred eighty-eight thousand, four hundred twenty-two".