268710815803 has 2 divisors, whose sum is σ = 268710815804. Its totient is φ = 268710815802.

The previous prime is 268710815783. The next prime is 268710815869. The reversal of 268710815803 is 308518017862.

268710815803 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 is a cyclic number.

It is not a de Polignac number, because 268710815803 - 2³⁷ = 131271862331 is a prime.

It is not a weakly prime, because it can be changed into another prime (268711815803) 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, 134355407901 + 134355407902.

It is an arithmetic number, because the mean of its divisors is an integer number (134355407902).

Almost surely, 2^268710815803 is an apocalyptic number.

268710815803 is a deficient number, since it is larger than the sum of its proper divisors (1).

268710815803 is an equidigital number, since it uses as much as digits as its factorization.

268710815803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 268710815803 in words is "two hundred sixty-eight billion, seven hundred ten million, eight hundred fifteen thousand, eight hundred three".