18350000369933 has 2 divisors, whose sum is σ = 18350000369934. Its totient is φ = 18350000369932.

The previous prime is 18350000369929. The next prime is 18350000370019. The reversal of 18350000369933 is 33996300005381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17962017138244 + 387983231689 = 4238162^2 + 622883^2 .

It is a cyclic number.

It is not a de Polignac number, because 18350000369933 - 2² = 18350000369929 is a prime.

It is a super-3 number, since 3×18350000369933³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18350000365933) 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, 9175000184966 + 9175000184967.

It is an arithmetic number, because the mean of its divisors is an integer number (9175000184967).

Almost surely, 2^{18350000369933} is an apocalyptic number.

It is an amenable number.

18350000369933 is a deficient number, since it is larger than the sum of its proper divisors (1).

18350000369933 is an equidigital number, since it uses as much as digits as its factorization.

18350000369933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1574640, while the sum is 50.

The spelling of 18350000369933 in words is "eighteen trillion, three hundred fifty billion, three hundred sixty-nine thousand, nine hundred thirty-three".