3108649065 has 32 divisors (see below), whose sum is σ = 5238660096. Its totient is φ = 1571021760.

The previous prime is 3108649057. The next prime is 3108649067. The reversal of 3108649065 is 5609468013.

It is not a de Polignac number, because 3108649065 - 2³ = 3108649057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3108649067) 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, 5191 + ... + 79020.

It is an arithmetic number, because the mean of its divisors is an integer number (163708128).

Almost surely, 2^3108649065 is an apocalyptic number.

It is an amenable number.

3108649065 is a deficient number, since it is larger than the sum of its proper divisors (2130011031).

3108649065 is a wasteful number, since it uses less digits than its factorization.

3108649065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84349.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 3108649065 is about 55755.2604244658. The cubic root of 3108649065 is about 1459.4545195938.

The spelling of 3108649065 in words is "three billion, one hundred eight million, six hundred forty-nine thousand, sixty-five".