3913694805905 has 24 divisors (see below), whose sum is σ = 4970622338496. Its totient is φ = 2952646225760.

The previous prime is 3913694805893. The next prime is 3913694805929. The reversal of 3913694805905 is 5095084963193.

It is not a de Polignac number, because 3913694805905 - 2⁴⁰ = 2814183178129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2795819 + ... + 3955248.

It is an arithmetic number, because the mean of its divisors is an integer number (207109264104).

Almost surely, 2^{3913694805905} is an apocalyptic number.

It is an amenable number.

3913694805905 is a deficient number, since it is larger than the sum of its proper divisors (1056927532591).

3913694805905 is an equidigital number, since it uses as much as digits as its factorization.

3913694805905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6751237 (or 6751166 counting only the distinct ones).

The product of its (nonzero) digits is 31492800, while the sum is 62.

The spelling of 3913694805905 in words is "three trillion, nine hundred thirteen billion, six hundred ninety-four million, eight hundred five thousand, nine hundred five".