2118229727 has 2 divisors, whose sum is σ = 2118229728. Its totient is φ = 2118229726.

The previous prime is 2118229717. The next prime is 2118229739. The reversal of 2118229727 is 7279228112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2118229727 - 2²⁴ = 2101452511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2118229717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059114863 + 1059114864.

It is an arithmetic number, because the mean of its divisors is an integer number (1059114864).

Almost surely, 2^2118229727 is an apocalyptic number.

2118229727 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118229727 is an equidigital number, since it uses as much as digits as its factorization.

2118229727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 41.

The square root of 2118229727 is about 46024.2297817139. The cubic root of 2118229727 is about 1284.2739875820.

The spelling of 2118229727 in words is "two billion, one hundred eighteen million, two hundred twenty-nine thousand, seven hundred twenty-seven".