2118968227 has 2 divisors, whose sum is σ = 2118968228. Its totient is φ = 2118968226.

The previous prime is 2118968209. The next prime is 2118968231. The reversal of 2118968227 is 7228698112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2118968227 is a prime.

It is not a weakly prime, because it can be changed into another prime (2118968287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059484113 + 1059484114.

It is an arithmetic number, because the mean of its divisors is an integer number (1059484114).

Almost surely, 2^2118968227 is an apocalyptic number.

2118968227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118968227 is an equidigital number, since it uses as much as digits as its factorization.

2118968227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 46.

The square root of 2118968227 is about 46032.2520305057. The cubic root of 2118968227 is about 1284.4232200799.

The spelling of 2118968227 in words is "two billion, one hundred eighteen million, nine hundred sixty-eight thousand, two hundred twenty-seven".