268108444853 has 2 divisors, whose sum is σ = 268108444854. Its totient is φ = 268108444852.

The previous prime is 268108444843. The next prime is 268108444913. The reversal of 268108444853 is 358444801862.

268108444853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171944574244 + 96163870609 = 414662^2 + 310103^2 .

It is a cyclic number.

It is not a de Polignac number, because 268108444853 - 2⁴ = 268108444837 is a prime.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 268108444795 and 268108444804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268108444843) 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, 134054222426 + 134054222427.

It is an arithmetic number, because the mean of its divisors is an integer number (134054222427).

Almost surely, 2^268108444853 is an apocalyptic number.

It is an amenable number.

268108444853 is a deficient number, since it is larger than the sum of its proper divisors (1).

268108444853 is an equidigital number, since it uses as much as digits as its factorization.

268108444853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5898240, while the sum is 53.

The spelling of 268108444853 in words is "two hundred sixty-eight billion, one hundred eight million, four hundred forty-four thousand, eight hundred fifty-three".