17942264252369 has 2 divisors, whose sum is σ = 17942264252370. Its totient is φ = 17942264252368.

The previous prime is 17942264252249. The next prime is 17942264252377. The reversal of 17942264252369 is 96325246224971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13353616147600 + 4588648104769 = 3654260^2 + 2142113^2 .

It is a cyclic number.

It is not a de Polignac number, because 17942264252369 - 2²⁰ = 17942263203793 is a prime.

It is a super-2 number, since 2×17942264252369² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17942264252669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8971132126184 + 8971132126185.

It is an arithmetic number, because the mean of its divisors is an integer number (8971132126185).

Almost surely, 2^{17942264252369} is an apocalyptic number.

It is an amenable number.

17942264252369 is a deficient number, since it is larger than the sum of its proper divisors (1).

17942264252369 is an equidigital number, since it uses as much as digits as its factorization.

17942264252369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78382080, while the sum is 62.

The spelling of 17942264252369 in words is "seventeen trillion, nine hundred forty-two billion, two hundred sixty-four million, two hundred fifty-two thousand, three hundred sixty-nine".