2112388993 has 32 divisors (see below), whose sum is σ = 2523306240. Its totient is φ = 1743171840.

The previous prime is 2112388987. The next prime is 2112389051. The reversal of 2112388993 is 3998832112.

It is a cyclic number.

It is not a de Polignac number, because 2112388993 - 2⁵ = 2112388961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112388933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2547703 + ... + 2548531.

It is an arithmetic number, because the mean of its divisors is an integer number (78853320).

Almost surely, 2^2112388993 is an apocalyptic number.

It is an amenable number.

2112388993 is a deficient number, since it is larger than the sum of its proper divisors (410917247).

2112388993 is a wasteful number, since it uses less digits than its factorization.

2112388993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129.

The product of its digits is 186624, while the sum is 46.

The square root of 2112388993 is about 45960.7331643002. The cubic root of 2112388993 is about 1283.0924966326.

The spelling of 2112388993 in words is "two billion, one hundred twelve million, three hundred eighty-eight thousand, nine hundred ninety-three".