3938731112156 has 6 divisors (see below), whose sum is σ = 6892779446280. Its totient is φ = 1969365556076.

The previous prime is 3938731112153. The next prime is 3938731112159. The reversal of 3938731112156 is 6512111378393.

It is an interprime number because it is at equal distance from previous prime (3938731112153) and next prime (3938731112159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938731112153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492341389016 + ... + 492341389023.

It is an arithmetic number, because the mean of its divisors is an integer number (1148796574380).

Almost surely, 2^{3938731112156} is an apocalyptic number.

It is an amenable number.

3938731112156 is a deficient number, since it is larger than the sum of its proper divisors (2954048334124).

3938731112156 is a wasteful number, since it uses less digits than its factorization.

3938731112156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984682778043 (or 984682778041 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The spelling of 3938731112156 in words is "three trillion, nine hundred thirty-eight billion, seven hundred thirty-one million, one hundred twelve thousand, one hundred fifty-six".