451242626660017 has 2 divisors, whose sum is σ = 451242626660018. Its totient is φ = 451242626660016.

The previous prime is 451242626659973. The next prime is 451242626660071. The reversal of 451242626660017 is 710066626242154.

Together with next prime (451242626660071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334256424547761 + 116986202112256 = 18282681^2 + 10816016^2 .

It is a cyclic number.

It is not a de Polignac number, because 451242626660017 - 2¹⁵ = 451242626627249 is a prime.

It is not a weakly prime, because it can be changed into another prime (451242626660317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225621313330008 + 225621313330009.

It is an arithmetic number, because the mean of its divisors is an integer number (225621313330009).

Almost surely, 2^{451242626660017} is an apocalyptic number.

It is an amenable number.

451242626660017 is a deficient number, since it is larger than the sum of its proper divisors (1).

451242626660017 is an equidigital number, since it uses as much as digits as its factorization.

451242626660017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 451242626660017 in words is "four hundred fifty-one trillion, two hundred forty-two billion, six hundred twenty-six million, six hundred sixty thousand, seventeen".