256273270313 has 8 divisors (see below), whose sum is σ = 259526417280. Its totient is φ = 253020353040.

The previous prime is 256273270289. The next prime is 256273270387. The reversal of 256273270313 is 313072372652.

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 256273270313 - 2⁶ = 256273270249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256273270013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3948383 + ... + 4012763.

It is an arithmetic number, because the mean of its divisors is an integer number (32440802160).

Almost surely, 2^256273270313 is an apocalyptic number.

It is an amenable number.

256273270313 is a deficient number, since it is larger than the sum of its proper divisors (3253146967).

256273270313 is an equidigital number, since it uses as much as digits as its factorization.

256273270313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114847.

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 256273270313 in words is "two hundred fifty-six billion, two hundred seventy-three million, two hundred seventy thousand, three hundred thirteen".