2256674081959 has 8 divisors (see below), whose sum is σ = 2568862196352. Its totient is φ = 1962325288440.

The previous prime is 2256674081759. The next prime is 2256674081969. The reversal of 2256674081959 is 9591804766522.

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

It is not a de Polignac number, because 2256674081959 - 2⁹ = 2256674081447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2256674081959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256674081969) 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, 4459829949 + ... + 4459830454.

It is an arithmetic number, because the mean of its divisors is an integer number (321107774544).

Almost surely, 2^{2256674081959} is an apocalyptic number.

2256674081959 is a deficient number, since it is larger than the sum of its proper divisors (312188114393).

2256674081959 is a wasteful number, since it uses less digits than its factorization.

2256674081959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919660437.

The product of its (nonzero) digits is 65318400, while the sum is 64.

The spelling of 2256674081959 in words is "two trillion, two hundred fifty-six billion, six hundred seventy-four million, eighty-one thousand, nine hundred fifty-nine".