266052344363401 has 2 divisors, whose sum is σ = 266052344363402. Its totient is φ = 266052344363400.

The previous prime is 266052344363363. The next prime is 266052344363413. The reversal of 266052344363401 is 104363443250662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199653395775376 + 66398948588025 = 14129876^2 + 8148555^2 .

It is a cyclic number.

It is not a de Polignac number, because 266052344363401 - 2³⁷ = 265914905409929 is a prime.

It is not a weakly prime, because it can be changed into another prime (266052341363401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133026172181700 + 133026172181701.

It is an arithmetic number, because the mean of its divisors is an integer number (133026172181701).

Almost surely, 2^{266052344363401} is an apocalyptic number.

It is an amenable number.

266052344363401 is a deficient number, since it is larger than the sum of its proper divisors (1).

266052344363401 is an equidigital number, since it uses as much as digits as its factorization.

266052344363401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 49.

The spelling of 266052344363401 in words is "two hundred sixty-six trillion, fifty-two billion, three hundred forty-four million, three hundred sixty-three thousand, four hundred one".