256941627227 has 2 divisors, whose sum is σ = 256941627228. Its totient is φ = 256941627226.

The previous prime is 256941627209. The next prime is 256941627247. The reversal of 256941627227 is 722726149652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256941627227 - 2²² = 256937432923 is a prime.

It is not a weakly prime, because it can be changed into another prime (256941627247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128470813613 + 128470813614.

It is an arithmetic number, because the mean of its divisors is an integer number (128470813614).

Almost surely, 2^256941627227 is an apocalyptic number.

256941627227 is a deficient number, since it is larger than the sum of its proper divisors (1).

256941627227 is an equidigital number, since it uses as much as digits as its factorization.

256941627227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 53.

The spelling of 256941627227 in words is "two hundred fifty-six billion, nine hundred forty-one million, six hundred twenty-seven thousand, two hundred twenty-seven".