256949282359 has 32 divisors (see below), whose sum is σ = 327112091136. Its totient is φ = 196035448320.

The previous prime is 256949282327. The next prime is 256949282419. The reversal of 256949282359 is 953282949652.

It is a cyclic number.

It is not a de Polignac number, because 256949282359 - 2⁵ = 256949282327 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 256949282359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256949282959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603244 + ... + 936910.

It is an arithmetic number, because the mean of its divisors is an integer number (10222252848).

Almost surely, 2^256949282359 is an apocalyptic number.

256949282359 is a deficient number, since it is larger than the sum of its proper divisors (70162808777).

256949282359 is a wasteful number, since it uses less digits than its factorization.

256949282359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333895.

The product of its digits is 83980800, while the sum is 64.

The spelling of 256949282359 in words is "two hundred fifty-six billion, nine hundred forty-nine million, two hundred eighty-two thousand, three hundred fifty-nine".