18084901642643 has 8 divisors (see below), whose sum is σ = 19785839474880. Its totient is φ = 16393439787880.

The previous prime is 18084901642631. The next prime is 18084901642733. The reversal of 18084901642643 is 34624610948081.

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

It is a cyclic number.

It is not a de Polignac number, because 18084901642643 - 2¹² = 18084901638547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18084901612643) 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 7 ways as a sum of consecutive naturals, for example, 2368990373 + ... + 2368998006.

It is an arithmetic number, because the mean of its divisors is an integer number (2473229934360).

Almost surely, 2^{18084901642643} is an apocalyptic number.

18084901642643 is a deficient number, since it is larger than the sum of its proper divisors (1700937832237).

18084901642643 is a wasteful number, since it uses less digits than its factorization.

18084901642643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737988737.

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 18084901642643 in words is "eighteen trillion, eighty-four billion, nine hundred one million, six hundred forty-two thousand, six hundred forty-three".