8255807443253 has 2 divisors, whose sum is σ = 8255807443254. Its totient is φ = 8255807443252.

The previous prime is 8255807443229. The next prime is 8255807443283. The reversal of 8255807443253 is 3523447085528.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7234367743684 + 1021439699569 = 2689678^2 + 1010663^2 .

It is a cyclic number.

It is not a de Polignac number, because 8255807443253 - 2¹² = 8255807439157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8255807443283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127903721626 + 4127903721627.

It is an arithmetic number, because the mean of its divisors is an integer number (4127903721627).

Almost surely, 2^{8255807443253} is an apocalyptic number.

It is an amenable number.

8255807443253 is a deficient number, since it is larger than the sum of its proper divisors (1).

8255807443253 is an equidigital number, since it uses as much as digits as its factorization.

8255807443253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256000, while the sum is 56.

The spelling of 8255807443253 in words is "eight trillion, two hundred fifty-five billion, eight hundred seven million, four hundred forty-three thousand, two hundred fifty-three".