3109091893 has 8 divisors (see below), whose sum is σ = 3120148512. Its totient is φ = 3098048016.

The previous prime is 3109091879. The next prime is 3109091933. The reversal of 3109091893 is 3981909013.

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-3109091893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3109091593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927246 + ... + 930592.

It is an arithmetic number, because the mean of its divisors is an integer number (390018564).

Almost surely, 2^3109091893 is an apocalyptic number.

It is an amenable number.

3109091893 is a deficient number, since it is larger than the sum of its proper divisors (11056619).

3109091893 is a wasteful number, since it uses less digits than its factorization.

3109091893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 3109091893 is about 55759.2314599116. The cubic root of 3109091893 is about 1459.5238162161.

The spelling of 3109091893 in words is "three billion, one hundred nine million, ninety-one thousand, eight hundred ninety-three".