6839905635344 has 40 divisors (see below), whose sum is σ = 13314409792728. Its totient is φ = 3403944069120.

The previous prime is 6839905635313. The next prime is 6839905635361. The reversal of 6839905635344 is 4435365099386.

It can be written as a sum of positive squares in 4 ways, for example, as 3987657535744 + 2852248099600 = 1996912^2 + 1688860^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6765194 + ... + 7710230.

Almost surely, 2^{6839905635344} is an apocalyptic number.

It is an amenable number.

6839905635344 is a deficient number, since it is larger than the sum of its proper divisors (6474504157384).

6839905635344 is a wasteful number, since it uses less digits than its factorization.

6839905635344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947163 (or 947157 counting only the distinct ones).

The product of its (nonzero) digits is 251942400, while the sum is 65.

The spelling of 6839905635344 in words is "six trillion, eight hundred thirty-nine billion, nine hundred five million, six hundred thirty-five thousand, three hundred forty-four".