3161930409 has 12 divisors (see below), whose sum is σ = 4982435952. Its totient is φ = 1916321400.

The previous prime is 3161930399. The next prime is 3161930411. The reversal of 3161930409 is 9040391613.

3161930409 is a `hidden beast` number, since 3 + 1 + 619 + 30 + 4 + 0 + 9 = 666.

It is not a de Polignac number, because 3161930409 - 2⁴ = 3161930393 is a prime.

It is a super-2 number, since 2×3161930409² = 19995607822717814562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3161930459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15969247 + ... + 15969444.

It is an arithmetic number, because the mean of its divisors is an integer number (415202996).

Almost surely, 2^3161930409 is an apocalyptic number.

It is an amenable number.

3161930409 is a deficient number, since it is larger than the sum of its proper divisors (1820505543).

3161930409 is a wasteful number, since it uses less digits than its factorization.

3161930409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31938708 (or 31938705 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 3161930409 is about 56231.0448862548. The cubic root of 3161930409 is about 1467.7455390838.

The spelling of 3161930409 in words is "three billion, one hundred sixty-one million, nine hundred thirty thousand, four hundred nine".