256708863194 has 16 divisors (see below), whose sum is σ = 440079274368. Its totient is φ = 110016349872.

The previous prime is 256708863193. The next prime is 256708863197. The reversal of 256708863194 is 491368807652.

256708863194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (256708863193) 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 7 ways as a sum of consecutive naturals, for example, 1218572 + ... + 1413624.

It is an arithmetic number, because the mean of its divisors is an integer number (27504954648).

It is a 1-persistent number, because it is pandigital, but 2⋅256708863194 = 513417726388 is not.

Almost surely, 2^256708863194 is an apocalyptic number.

256708863194 is a deficient number, since it is larger than the sum of its proper divisors (183370411174).

256708863194 is a wasteful number, since it uses less digits than its factorization.

256708863194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289069.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 256708863194 in words is "two hundred fifty-six billion, seven hundred eight million, eight hundred sixty-three thousand, one hundred ninety-four".