3109422809 has 8 divisors (see below), whose sum is σ = 3152999400. Its totient is φ = 3065872896.

The previous prime is 3109422763. The next prime is 3109422817. The reversal of 3109422809 is 9082249013.

3109422809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 90250000 + 3019172809 = 9500^2 + 54947^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3109422809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3109422839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393869 + ... + 401685.

It is an arithmetic number, because the mean of its divisors is an integer number (394124925).

Almost surely, 2^3109422809 is an apocalyptic number.

It is an amenable number.

3109422809 is a deficient number, since it is larger than the sum of its proper divisors (43576591).

3109422809 is an equidigital number, since it uses as much as digits as its factorization.

3109422809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13339.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 3109422809 is about 55762.1987461040. The cubic root of 3109422809 is about 1459.5755958209.

The spelling of 3109422809 in words is "three billion, one hundred nine million, four hundred twenty-two thousand, eight hundred nine".