18859058385459 has 8 divisors (see below), whose sum is σ = 25154618592192. Its totient is φ = 12568101884520.

The previous prime is 18859058385443. The next prime is 18859058385487. The reversal of 18859058385459 is 95458385095881.

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

It is not a de Polignac number, because 18859058385459 - 2⁴ = 18859058385443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18859058385259) 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, 1150916889 + ... + 1150933274.

It is an arithmetic number, because the mean of its divisors is an integer number (3144327324024).

Almost surely, 2^{18859058385459} is an apocalyptic number.

18859058385459 is a deficient number, since it is larger than the sum of its proper divisors (6295560206733).

18859058385459 is a wasteful number, since it uses less digits than its factorization.

18859058385459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301852897.

The product of its (nonzero) digits is 2488320000, while the sum is 78.

The spelling of 18859058385459 in words is "eighteen trillion, eight hundred fifty-nine billion, fifty-eight million, three hundred eighty-five thousand, four hundred fifty-nine".