266052344363287 has 2 divisors, whose sum is σ = 266052344363288. Its totient is φ = 266052344363286.

The previous prime is 266052344363251. The next prime is 266052344363363. The reversal of 266052344363287 is 782363443250662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266052344363287 - 2¹⁹ = 266052343838999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266052344363987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133026172181643 + 133026172181644.

It is an arithmetic number, because the mean of its divisors is an integer number (133026172181644).

Almost surely, 2^{266052344363287} is an apocalyptic number.

266052344363287 is a deficient number, since it is larger than the sum of its proper divisors (1).

266052344363287 is an equidigital number, since it uses as much as digits as its factorization.

266052344363287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209018880, while the sum is 61.

The spelling of 266052344363287 in words is "two hundred sixty-six trillion, fifty-two billion, three hundred forty-four million, three hundred sixty-three thousand, two hundred eighty-seven".