256262245843 has 8 divisors (see below), whose sum is σ = 265105774080. Its totient is φ = 247419177600.

The previous prime is 256262245769. The next prime is 256262245849. The reversal of 256262245843 is 348542262652.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256262245843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256262245849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323643 + ... + 1504843.

It is an arithmetic number, because the mean of its divisors is an integer number (33138221760).

Almost surely, 2^256262245843 is an apocalyptic number.

256262245843 is a deficient number, since it is larger than the sum of its proper divisors (8843528237).

256262245843 is a wasteful number, since it uses less digits than its factorization.

256262245843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229997.

The product of its digits is 5529600, while the sum is 49.

The spelling of 256262245843 in words is "two hundred fifty-six billion, two hundred sixty-two million, two hundred forty-five thousand, eight hundred forty-three".