18834460093 has 2 divisors, whose sum is σ = 18834460094. Its totient is φ = 18834460092.

The previous prime is 18834460081. The next prime is 18834460097. The reversal of 18834460093 is 39006443881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18185331609 + 649128484 = 134853^2 + 25478^2 .

It is a cyclic number.

It is not a de Polignac number, because 18834460093 - 2²⁵ = 18800905661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18834460097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9417230046 + 9417230047.

It is an arithmetic number, because the mean of its divisors is an integer number (9417230047).

Almost surely, 2^18834460093 is an apocalyptic number.

It is an amenable number.

18834460093 is a deficient number, since it is larger than the sum of its proper divisors (1).

18834460093 is an equidigital number, since it uses as much as digits as its factorization.

18834460093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 18834460093 in words is "eighteen billion, eight hundred thirty-four million, four hundred sixty thousand, ninety-three".