18086835373 has 2 divisors, whose sum is σ = 18086835374. Its totient is φ = 18086835372.

The previous prime is 18086835271. The next prime is 18086835379. The reversal of 18086835373 is 37353868081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16362758889 + 1724076484 = 127917^2 + 41522^2 .

It is a cyclic number.

It is not a de Polignac number, because 18086835373 - 2¹⁷ = 18086704301 is a prime.

It is a super-2 number, since 2×18086835373² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18086835373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18086835379) 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, 9043417686 + 9043417687.

It is an arithmetic number, because the mean of its divisors is an integer number (9043417687).

Almost surely, 2^18086835373 is an apocalyptic number.

It is an amenable number.

18086835373 is a deficient number, since it is larger than the sum of its proper divisors (1).

18086835373 is an equidigital number, since it uses as much as digits as its factorization.

18086835373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 18086835373 in words is "eighteen billion, eighty-six million, eight hundred thirty-five thousand, three hundred seventy-three".