425729865227 has 2 divisors, whose sum is σ = 425729865228. Its totient is φ = 425729865226.

The previous prime is 425729865163. The next prime is 425729865271. The reversal of 425729865227 is 722568927524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425729865227 - 2⁶ = 425729865163 is a prime.

It is not a weakly prime, because it can be changed into another prime (425729865527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212864932613 + 212864932614.

It is an arithmetic number, because the mean of its divisors is an integer number (212864932614).

Almost surely, 2^425729865227 is an apocalyptic number.

425729865227 is a deficient number, since it is larger than the sum of its proper divisors (1).

425729865227 is an equidigital number, since it uses as much as digits as its factorization.

425729865227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33868800, while the sum is 59.

The spelling of 425729865227 in words is "four hundred twenty-five billion, seven hundred twenty-nine million, eight hundred sixty-five thousand, two hundred twenty-seven".