3109768209 has 24 divisors (see below), whose sum is σ = 4736732000. Its totient is φ = 1960562880.

The previous prime is 3109768177. The next prime is 3109768229. The reversal of 3109768209 is 9028679013.

It is not a de Polignac number, because 3109768209 - 2⁵ = 3109768177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3109768229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81717 + ... + 113565.

Almost surely, 2^3109768209 is an apocalyptic number.

It is an amenable number.

3109768209 is a deficient number, since it is larger than the sum of its proper divisors (1626963791).

3109768209 is a wasteful number, since it uses less digits than its factorization.

3109768209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32445 (or 32442 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 3109768209 is about 55765.2957402720. The cubic root of 3109768209 is about 1459.6296378705.

The spelling of 3109768209 in words is "three billion, one hundred nine million, seven hundred sixty-eight thousand, two hundred nine".