18458068459 has 2 divisors, whose sum is σ = 18458068460. Its totient is φ = 18458068458.

The previous prime is 18458068441. The next prime is 18458068471. The reversal of 18458068459 is 95486085481.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18458068459 - 2¹¹ = 18458066411 is a prime.

It is not a weakly prime, because it can be changed into another prime (18458068439) 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, 9229034229 + 9229034230.

It is an arithmetic number, because the mean of its divisors is an integer number (9229034230).

Almost surely, 2^18458068459 is an apocalyptic number.

18458068459 is a deficient number, since it is larger than the sum of its proper divisors (1).

18458068459 is an equidigital number, since it uses as much as digits as its factorization.

18458068459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11059200, while the sum is 58.

The spelling of 18458068459 in words is "eighteen billion, four hundred fifty-eight million, sixty-eight thousand, four hundred fifty-nine".