3109056617 has 4 divisors (see below), whose sum is σ = 3109168260. Its totient is φ = 3108944976.

The previous prime is 3109056607. The next prime is 3109056623. The reversal of 3109056617 is 7166509013.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7166509013 = 547 ⋅13101479.

It can be written as a sum of positive squares in 2 ways, for example, as 1552675216 + 1556381401 = 39404^2 + 39451^2 .

It is a cyclic number.

It is not a de Polignac number, because 3109056617 - 2⁸ = 3109056361 is a prime.

It is a super-2 number, since 2×3109056617² = 19332466095422969378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3109056607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23963 + ... + 82415.

It is an arithmetic number, because the mean of its divisors is an integer number (777292065).

Almost surely, 2^3109056617 is an apocalyptic number.

It is an amenable number.

3109056617 is a deficient number, since it is larger than the sum of its proper divisors (111643).

3109056617 is an equidigital number, since it uses as much as digits as its factorization.

3109056617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111642.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 3109056617 is about 55758.9151347119. The cubic root of 3109056617 is about 1459.5182962380.

The spelling of 3109056617 in words is "three billion, one hundred nine million, fifty-six thousand, six hundred seventeen".