268222063801 has 2 divisors, whose sum is σ = 268222063802. Its totient is φ = 268222063800.

The previous prime is 268222063729. The next prime is 268222063817. The reversal of 268222063801 is 108360222862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268219374201 + 2689600 = 517899^2 + 1640^2 .

It is a cyclic number.

It is not a de Polignac number, because 268222063801 - 2¹¹ = 268222061753 is a prime.

It is not a weakly prime, because it can be changed into another prime (268222063841) 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, 134111031900 + 134111031901.

It is an arithmetic number, because the mean of its divisors is an integer number (134111031901).

Almost surely, 2^268222063801 is an apocalyptic number.

It is an amenable number.

268222063801 is a deficient number, since it is larger than the sum of its proper divisors (1).

268222063801 is an equidigital number, since it uses as much as digits as its factorization.

268222063801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 268222063801 in words is "two hundred sixty-eight billion, two hundred twenty-two million, sixty-three thousand, eight hundred one".