2118999472 has 40 divisors (see below), whose sum is σ = 4438468400. Its totient is φ = 976603392.

The previous prime is 2118999469. The next prime is 2118999481. The reversal of 2118999472 is 2749998112.

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, 82947 + ... + 105442.

It is an arithmetic number, because the mean of its divisors is an integer number (110961710).

Almost surely, 2^2118999472 is an apocalyptic number.

It is an amenable number.

2118999472 is an abundant number, since it is smaller than the sum of its proper divisors (2319468928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2118999472 is a wasteful number, since it uses less digits than its factorization.

2118999472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188453 (or 188447 counting only the distinct ones).

The product of its digits is 653184, while the sum is 52.

The square root of 2118999472 is about 46032.5914108689. The cubic root of 2118999472 is about 1284.4295331534.

The spelling of 2118999472 in words is "two billion, one hundred eighteen million, nine hundred ninety-nine thousand, four hundred seventy-two".