2160694427 has 2 divisors, whose sum is σ = 2160694428. Its totient is φ = 2160694426.

The previous prime is 2160694409. The next prime is 2160694433. The reversal of 2160694427 is 7244960612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2160694427 - 2⁸ = 2160694171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2160694447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080347213 + 1080347214.

It is an arithmetic number, because the mean of its divisors is an integer number (1080347214).

Almost surely, 2^2160694427 is an apocalyptic number.

2160694427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160694427 is an equidigital number, since it uses as much as digits as its factorization.

2160694427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 2160694427 is about 46483.2703991447. The cubic root of 2160694427 is about 1292.7993267338.

The spelling of 2160694427 in words is "two billion, one hundred sixty million, six hundred ninety-four thousand, four hundred twenty-seven".