256260530363 has 2 divisors, whose sum is σ = 256260530364. Its totient is φ = 256260530362.

The previous prime is 256260530329. The next prime is 256260530381. The reversal of 256260530363 is 363035062652.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 256260530363 - 2¹⁴ = 256260513979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 256260530363.

It is not a weakly prime, because it can be changed into another prime (256260530303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128130265181 + 128130265182.

It is an arithmetic number, because the mean of its divisors is an integer number (128130265182).

Almost surely, 2^256260530363 is an apocalyptic number.

256260530363 is a deficient number, since it is larger than the sum of its proper divisors (1).

256260530363 is an equidigital number, since it uses as much as digits as its factorization.

256260530363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 41.

The spelling of 256260530363 in words is "two hundred fifty-six billion, two hundred sixty million, five hundred thirty thousand, three hundred sixty-three".