256022655144467 has 2 divisors, whose sum is σ = 256022655144468. Its totient is φ = 256022655144466.

The previous prime is 256022655144461. The next prime is 256022655144521. The reversal of 256022655144467 is 764441556220652.

It is a happy number.

256022655144467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256022655144467 - 2²⁰ = 256022654095891 is a prime.

It is not a weakly prime, because it can be changed into another prime (256022655144461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128011327572233 + 128011327572234.

It is an arithmetic number, because the mean of its divisors is an integer number (128011327572234).

Almost surely, 2^{256022655144467} is an apocalyptic number.

256022655144467 is a deficient number, since it is larger than the sum of its proper divisors (1).

256022655144467 is an equidigital number, since it uses as much as digits as its factorization.

256022655144467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768000, while the sum is 59.

The spelling of 256022655144467 in words is "two hundred fifty-six trillion, twenty-two billion, six hundred fifty-five million, one hundred forty-four thousand, four hundred sixty-seven".