256074879373 has 4 divisors (see below), whose sum is σ = 256979737888. Its totient is φ = 255170020860.

The previous prime is 256074879367. The next prime is 256074879421. The reversal of 256074879373 is 373978470652.

It is a happy number.

256074879373 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 256074879373 - 2²⁹ = 255538008461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256074879323) 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, 452428833 + ... + 452429398.

It is an arithmetic number, because the mean of its divisors is an integer number (64244934472).

Almost surely, 2^256074879373 is an apocalyptic number.

It is an amenable number.

256074879373 is a deficient number, since it is larger than the sum of its proper divisors (904858515).

256074879373 is an equidigital number, since it uses as much as digits as its factorization.

256074879373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904858514.

The product of its (nonzero) digits is 53343360, while the sum is 61.

The spelling of 256074879373 in words is "two hundred fifty-six billion, seventy-four million, eight hundred seventy-nine thousand, three hundred seventy-three".