3091793893 has 16 divisors (see below), whose sum is σ = 3337922736. Its totient is φ = 2853273600.

The previous prime is 3091793891. The next prime is 3091793899. The reversal of 3091793893 is 3983971903.

It can be written as a sum of positive squares in 8 ways, for example, as 1609774884 + 1482019009 = 40122^2 + 38497^2 .

It is a cyclic number.

It is not a de Polignac number, because 3091793893 - 2¹ = 3091793891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3091793893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3091793891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207493 + ... + 221893.

It is an arithmetic number, because the mean of its divisors is an integer number (208620171).

Almost surely, 2^3091793893 is an apocalyptic number.

It is an amenable number.

3091793893 is a deficient number, since it is larger than the sum of its proper divisors (246128843).

3091793893 is a wasteful number, since it uses less digits than its factorization.

3091793893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14664.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 3091793893 is about 55603.9017785623. The cubic root of 3091793893 is about 1456.8120050816.

The spelling of 3091793893 in words is "three billion, ninety-one million, seven hundred ninety-three thousand, eight hundred ninety-three".