3118893961 has 4 divisors (see below), whose sum is σ = 3119050000. Its totient is φ = 3118737924.

The previous prime is 3118893923. The next prime is 3118893971. The reversal of 3118893961 is 1693988113.

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 not a de Polignac number, because 3118893961 - 2²⁹ = 2582023049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3118893901) 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 3 ways as a sum of consecutive naturals, for example, 42711 + ... + 89788.

It is an arithmetic number, because the mean of its divisors is an integer number (779762500).

Almost surely, 2^3118893961 is an apocalyptic number.

It is an amenable number.

3118893961 is a deficient number, since it is larger than the sum of its proper divisors (156039).

3118893961 is a wasteful number, since it uses less digits than its factorization.

3118893961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156038.

The product of its digits is 279936, while the sum is 49.

The square root of 3118893961 is about 55847.0586602374. The cubic root of 3118893961 is about 1461.0560260346.

The spelling of 3118893961 in words is "three billion, one hundred eighteen million, eight hundred ninety-three thousand, nine hundred sixty-one".