3081189373 has 4 divisors (see below), whose sum is σ = 3084934048. Its totient is φ = 3077444700.

The previous prime is 3081189347. The next prime is 3081189379. The reversal of 3081189373 is 3739811803.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3081189373 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 (3081189379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1871103 + ... + 1872748.

It is an arithmetic number, because the mean of its divisors is an integer number (771233512).

Almost surely, 2^3081189373 is an apocalyptic number.

It is an amenable number.

3081189373 is a deficient number, since it is larger than the sum of its proper divisors (3744675).

3081189373 is an equidigital number, since it uses as much as digits as its factorization.

3081189373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744674.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 3081189373 is about 55508.4621746991. The cubic root of 3081189373 is about 1455.1445277878.

The spelling of 3081189373 in words is "three billion, eighty-one million, one hundred eighty-nine thousand, three hundred seventy-three".