256041411719 has 2 divisors, whose sum is σ = 256041411720. Its totient is φ = 256041411718.

The previous prime is 256041411709. The next prime is 256041411737. The reversal of 256041411719 is 917114140652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256041411719 - 2³⁶ = 187321934983 is a prime.

It is a super-2 number, since 2×256041411719² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256041411709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128020705859 + 128020705860.

It is an arithmetic number, because the mean of its divisors is an integer number (128020705860).

Almost surely, 2^256041411719 is an apocalyptic number.

256041411719 is a deficient number, since it is larger than the sum of its proper divisors (1).

256041411719 is an equidigital number, since it uses as much as digits as its factorization.

256041411719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 256041411719 in words is "two hundred fifty-six billion, forty-one million, four hundred eleven thousand, seven hundred nineteen".