268817362601 has 2 divisors, whose sum is σ = 268817362602. Its totient is φ = 268817362600.

The previous prime is 268817362573. The next prime is 268817362607. The reversal of 268817362601 is 106263718862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268817362576 + 25 = 518476^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 268817362601 - 2⁶ = 268817362537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268817362601.

It is not a weakly prime, because it can be changed into another prime (268817362607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134408681300 + 134408681301.

It is an arithmetic number, because the mean of its divisors is an integer number (134408681301).

Almost surely, 2^268817362601 is an apocalyptic number.

It is an amenable number.

268817362601 is a deficient number, since it is larger than the sum of its proper divisors (1).

268817362601 is an equidigital number, since it uses as much as digits as its factorization.

268817362601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 268817362601 in words is "two hundred sixty-eight billion, eight hundred seventeen million, three hundred sixty-two thousand, six hundred one".