3109649012 has 24 divisors (see below), whose sum is σ = 5465952576. Its totient is φ = 1547963648.

The previous prime is 3109649009. The next prime is 3109649047. The reversal of 3109649012 is 2109469013.

It is a super-2 number, since 2×3109649012² = 19339833955665152288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166393 + ... + 1169055.

It is an arithmetic number, because the mean of its divisors is an integer number (227748024).

Almost surely, 2^3109649012 is an apocalyptic number.

It is an amenable number.

3109649012 is a deficient number, since it is larger than the sum of its proper divisors (2356303564).

3109649012 is a wasteful number, since it uses less digits than its factorization.

3109649012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 3109649012 is about 55764.2269918628. The cubic root of 3109649012 is about 1459.6109884959.

It can be divided in two parts, 31096 and 49012, that added together give a palindrome (80108).

The spelling of 3109649012 in words is "three billion, one hundred nine million, six hundred forty-nine thousand, twelve".