256074207361 has 4 divisors (see below), whose sum is σ = 292656236992. Its totient is φ = 219492177732.

The previous prime is 256074207353. The next prime is 256074207379. The reversal of 256074207361 is 163702470652.

256074207361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 256074207361 - 2³ = 256074207353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256074207391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18291014805 + ... + 18291014818.

It is an arithmetic number, because the mean of its divisors is an integer number (73164059248).

Almost surely, 2^256074207361 is an apocalyptic number.

It is an amenable number.

256074207361 is a deficient number, since it is larger than the sum of its proper divisors (36582029631).

256074207361 is an equidigital number, since it uses as much as digits as its factorization.

256074207361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36582029630.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 256074207361 in words is "two hundred fifty-six billion, seventy-four million, two hundred seven thousand, three hundred sixty-one".