4256455020263 has 2 divisors, whose sum is σ = 4256455020264. Its totient is φ = 4256455020262.

The previous prime is 4256455020203. The next prime is 4256455020401. The reversal of 4256455020263 is 3620205546524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4256455020263 - 2⁸ = 4256455020007 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4256455020203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128227510131 + 2128227510132.

It is an arithmetic number, because the mean of its divisors is an integer number (2128227510132).

Almost surely, 2^{4256455020263} is an apocalyptic number.

4256455020263 is a deficient number, since it is larger than the sum of its proper divisors (1).

4256455020263 is an equidigital number, since it uses as much as digits as its factorization.

4256455020263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 4256455020263 in words is "four trillion, two hundred fifty-six billion, four hundred fifty-five million, twenty thousand, two hundred sixty-three".