2918618972 has 24 divisors (see below), whose sum is σ = 5279129856. Its totient is φ = 1411044848.

The previous prime is 2918618953. The next prime is 2918619029. The reversal of 2918618972 is 2798168192.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77918 + ... + 109125.

It is an arithmetic number, because the mean of its divisors is an integer number (219963744).

Almost surely, 2^2918618972 is an apocalyptic number.

It is an amenable number.

2918618972 is a deficient number, since it is larger than the sum of its proper divisors (2360510884).

2918618972 is a wasteful number, since it uses less digits than its factorization.

2918618972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187177 (or 187175 counting only the distinct ones).

The product of its digits is 870912, while the sum is 53.

The square root of 2918618972 is about 54024.2442982778. The cubic root of 2918618972 is about 1429.0885306089.

The spelling of 2918618972 in words is "two billion, nine hundred eighteen million, six hundred eighteen thousand, nine hundred seventy-two".