256901682983 has 8 divisors (see below), whose sum is σ = 280288115856. Its totient is φ = 233520539200.

The previous prime is 256901682943. The next prime is 256901683097. The reversal of 256901682983 is 389286109652.

256901682983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256901682983 - 2⁸ = 256901682727 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 (256901682943) 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, 1220366 + ... + 1415307.

It is an arithmetic number, because the mean of its divisors is an integer number (35036014482).

Almost surely, 2^256901682983 is an apocalyptic number.

256901682983 is a deficient number, since it is larger than the sum of its proper divisors (23386432873).

256901682983 is a wasteful number, since it uses less digits than its factorization.

256901682983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644545.

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 256901682983 in words is "two hundred fifty-six billion, nine hundred one million, six hundred eighty-two thousand, nine hundred eighty-three".