18009387870954 has 8 divisors (see below), whose sum is σ = 36018775741920. Its totient is φ = 6003129290316.

The previous prime is 18009387870941. The next prime is 18009387870959. The reversal of 18009387870954 is 45907878390081.

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

18009387870954 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (18009387870959) 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 in 3 ways as a sum of consecutive naturals, for example, 1500782322574 + ... + 1500782322585.

It is an arithmetic number, because the mean of its divisors is an integer number (4502346967740).

Almost surely, 2^{18009387870954} is an apocalyptic number.

18009387870954 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18009387870954 is a wasteful number, since it uses less digits than its factorization.

18009387870954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001564645164.

The product of its (nonzero) digits is 121927680, while the sum is 69.

The spelling of 18009387870954 in words is "eighteen trillion, nine billion, three hundred eighty-seven million, eight hundred seventy thousand, nine hundred fifty-four".