3934191109717 has 16 divisors (see below), whose sum is σ = 4478645882880. Its totient is φ = 3420883668400.

The previous prime is 3934191109703. The next prime is 3934191109721. The reversal of 3934191109717 is 7179011914393.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3934191109717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3934191209717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5555592 + ... + 6223582.

It is an arithmetic number, because the mean of its divisors is an integer number (279915367680).

Almost surely, 2^{3934191109717} is an apocalyptic number.

It is an amenable number.

3934191109717 is a deficient number, since it is larger than the sum of its proper divisors (544454773163).

3934191109717 is a wasteful number, since it uses less digits than its factorization.

3934191109717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691304.

The product of its (nonzero) digits is 1285956, while the sum is 55.

The spelling of 3934191109717 in words is "three trillion, nine hundred thirty-four billion, one hundred ninety-one million, one hundred nine thousand, seven hundred seventeen".