18458068659 has 8 divisors (see below), whose sum is σ = 24614716560. Its totient is φ = 12303399936.

The previous prime is 18458068613. The next prime is 18458068663. The reversal of 18458068659 is 95686085481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18458068659 - 2⁹ = 18458068147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18458068459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472894 + ... + 510435.

It is an arithmetic number, because the mean of its divisors is an integer number (3076839570).

Almost surely, 2^18458068659 is an apocalyptic number.

18458068659 is a deficient number, since it is larger than the sum of its proper divisors (6156647901).

18458068659 is an equidigital number, since it uses as much as digits as its factorization.

18458068659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989589.

The product of its (nonzero) digits is 16588800, while the sum is 60.

The spelling of 18458068659 in words is "eighteen billion, four hundred fifty-eight million, sixty-eight thousand, six hundred fifty-nine".