3161463939 has 40 divisors (see below), whose sum is σ = 5094951840. Its totient is φ = 1946191104.

The previous prime is 3161463911. The next prime is 3161463947. The reversal of 3161463939 is 9393641613.

3161463939 is a `hidden beast` number, since 3 + 1 + 6 + 1 + 4 + 639 + 3 + 9 = 666.

It is not a de Polignac number, because 3161463939 - 2⁹ = 3161463427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3161463894 and 3161463903.

It is not an unprimeable number, because it can be changed into a prime (3161463839) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 51322 + ... + 94640.

It is an arithmetic number, because the mean of its divisors is an integer number (127373796).

Almost surely, 2^3161463939 is an apocalyptic number.

3161463939 is a deficient number, since it is larger than the sum of its proper divisors (1933487901).

3161463939 is a wasteful number, since it uses less digits than its factorization.

3161463939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43401 (or 43392 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 3161463939 is about 56226.8969355414. The cubic root of 3161463939 is about 1467.6733581854.

The spelling of 3161463939 in words is "three billion, one hundred sixty-one million, four hundred sixty-three thousand, nine hundred thirty-nine".