256462106863 has 2 divisors, whose sum is σ = 256462106864. Its totient is φ = 256462106862.

The previous prime is 256462106861. The next prime is 256462106891. The reversal of 256462106863 is 368601264652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256462106863 - 2¹ = 256462106861 is a prime.

Together with 256462106861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256462106861) 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 as a sum of consecutive naturals, namely, 128231053431 + 128231053432.

It is an arithmetic number, because the mean of its divisors is an integer number (128231053432).

Almost surely, 2^256462106863 is an apocalyptic number.

256462106863 is a deficient number, since it is larger than the sum of its proper divisors (1).

256462106863 is an equidigital number, since it uses as much as digits as its factorization.

256462106863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 256462106863 in words is "two hundred fifty-six billion, four hundred sixty-two million, one hundred six thousand, eight hundred sixty-three".