268502318427377 has 2 divisors, whose sum is σ = 268502318427378. Its totient is φ = 268502318427376.

The previous prime is 268502318427367. The next prime is 268502318427401. The reversal of 268502318427377 is 773724813205862.

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., 219689193911056 + 48813124516321 = 14821916^2 + 6986639^2 .

It is a cyclic number.

It is not a de Polignac number, because 268502318427377 - 2¹⁴ = 268502318410993 is a prime.

It is not a weakly prime, because it can be changed into another prime (268502318427367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134251159213688 + 134251159213689.

It is an arithmetic number, because the mean of its divisors is an integer number (134251159213689).

Almost surely, 2^{268502318427377} is an apocalyptic number.

It is an amenable number.

268502318427377 is a deficient number, since it is larger than the sum of its proper divisors (1).

268502318427377 is an equidigital number, since it uses as much as digits as its factorization.

268502318427377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189665280, while the sum is 65.

The spelling of 268502318427377 in words is "two hundred sixty-eight trillion, five hundred two billion, three hundred eighteen million, four hundred twenty-seven thousand, three hundred seventy-seven".