2113918028 has 12 divisors (see below), whose sum is σ = 3735273360. Its totient is φ = 1046697072.

The previous prime is 2113917991. The next prime is 2113918061. The reversal of 2113918028 is 8208193112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2565023 + ... + 2565846.

It is an arithmetic number, because the mean of its divisors is an integer number (311272780).

Almost surely, 2^2113918028 is an apocalyptic number.

It is an amenable number.

2113918028 is a deficient number, since it is larger than the sum of its proper divisors (1621355332).

2113918028 is a wasteful number, since it uses less digits than its factorization.

2113918028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5130976 (or 5130974 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 2113918028 is about 45977.3643002728. The cubic root of 2113918028 is about 1283.4020072019.

The spelling of 2113918028 in words is "two billion, one hundred thirteen million, nine hundred eighteen thousand, twenty-eight".