2118993796 has 12 divisors (see below), whose sum is σ = 3735307548. Its totient is φ = 1051763072.

The previous prime is 2118993763. The next prime is 2118993797. The reversal of 2118993796 is 6973998112.

It can be written as a sum of positive squares in 2 ways, for example, as 743325696 + 1375668100 = 27264^2 + 37090^2 .

It is not an unprimeable number, because it can be changed into a prime (2118993797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1932841 + ... + 1933936.

It is an arithmetic number, because the mean of its divisors is an integer number (311275629).

Almost surely, 2^2118993796 is an apocalyptic number.

It is an amenable number.

2118993796 is a deficient number, since it is larger than the sum of its proper divisors (1616313752).

2118993796 is a wasteful number, since it uses less digits than its factorization.

2118993796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866918 (or 3866916 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 55.

The square root of 2118993796 is about 46032.5297588564. The cubic root of 2118993796 is about 1284.4283863184.

The spelling of 2118993796 in words is "two billion, one hundred eighteen million, nine hundred ninety-three thousand, seven hundred ninety-six".