249115689227 has 2 divisors, whose sum is σ = 249115689228. Its totient is φ = 249115689226.

The previous prime is 249115689169. The next prime is 249115689233. The reversal of 249115689227 is 722986511942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249115689227 - 2²⁸ = 248847253771 is a prime.

It is not a weakly prime, because it can be changed into another prime (249115689727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124557844613 + 124557844614.

It is an arithmetic number, because the mean of its divisors is an integer number (124557844614).

Almost surely, 2^249115689227 is an apocalyptic number.

249115689227 is a deficient number, since it is larger than the sum of its proper divisors (1).

249115689227 is an equidigital number, since it uses as much as digits as its factorization.

249115689227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 56.

The spelling of 249115689227 in words is "two hundred forty-nine billion, one hundred fifteen million, six hundred eighty-nine thousand, two hundred twenty-seven".