3806479564931 has 4 divisors (see below), whose sum is σ = 4030390127592. Its totient is φ = 3582569002272.

The previous prime is 3806479564907. The next prime is 3806479564949. The reversal of 3806479564931 is 1394659746083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3806479564931 is a prime.

It is a super-2 number, since 2×3806479564931² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3806479564031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111955281305 + ... + 111955281338.

It is an arithmetic number, because the mean of its divisors is an integer number (1007597531898).

Almost surely, 2^{3806479564931} is an apocalyptic number.

3806479564931 is a deficient number, since it is larger than the sum of its proper divisors (223910562661).

3806479564931 is a wasteful number, since it uses less digits than its factorization.

3806479564931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223910562660.

The product of its (nonzero) digits is 117573120, while the sum is 65.

The spelling of 3806479564931 in words is "three trillion, eight hundred six billion, four hundred seventy-nine million, five hundred sixty-four thousand, nine hundred thirty-one".