3138418917 has 12 divisors (see below), whose sum is σ = 4771865280. Its totient is φ = 1982159208.

The previous prime is 3138418901. The next prime is 3138418957. The reversal of 3138418917 is 7198148313.

3138418917 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3138418917 - 2⁴ = 3138418901 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138418957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9176493 + ... + 9176834.

It is an arithmetic number, because the mean of its divisors is an integer number (397655440).

Almost surely, 2^3138418917 is an apocalyptic number.

It is an amenable number.

3138418917 is a deficient number, since it is larger than the sum of its proper divisors (1633446363).

3138418917 is a wasteful number, since it uses less digits than its factorization.

3138418917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18353352 (or 18353349 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 3138418917 is about 56021.5933100800. The cubic root of 3138418917 is about 1464.0985289886.

The spelling of 3138418917 in words is "three billion, one hundred thirty-eight million, four hundred eighteen thousand, nine hundred seventeen".