3931672428393 has 32 divisors (see below), whose sum is σ = 5687095784832. Its totient is φ = 2406288998400.

The previous prime is 3931672428377. The next prime is 3931672428491. The reversal of 3931672428393 is 3938242761393.

3931672428393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3931672428393 - 2⁴ = 3931672428377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3931672420393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10592478 + ... + 10957368.

It is an arithmetic number, because the mean of its divisors is an integer number (177721743276).

Almost surely, 2^{3931672428393} is an apocalyptic number.

It is an amenable number.

3931672428393 is a deficient number, since it is larger than the sum of its proper divisors (1755423356439).

3931672428393 is a wasteful number, since it uses less digits than its factorization.

3931672428393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370105.

The product of its digits is 35271936, while the sum is 60.

The spelling of 3931672428393 in words is "three trillion, nine hundred thirty-one billion, six hundred seventy-two million, four hundred twenty-eight thousand, three hundred ninety-three".