18442141589494 has 16 divisors (see below), whose sum is σ = 33279052492800. Its totient is φ = 7487786810664.

The previous prime is 18442141589467. The next prime is 18442141589507. The reversal of 18442141589494 is 49498514124481.

It is a super-2 number, since 2×18442141589494² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34665679414 + ... + 34665679945.

It is an arithmetic number, because the mean of its divisors is an integer number (2079940780800).

Almost surely, 2^{18442141589494} is an apocalyptic number.

18442141589494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18442141589494 is a deficient number, since it is larger than the sum of its proper divisors (14836910903306).

18442141589494 is a wasteful number, since it uses less digits than its factorization.

18442141589494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69331359387.

The product of its digits is 53084160, while the sum is 64.

The spelling of 18442141589494 in words is "eighteen trillion, four hundred forty-two billion, one hundred forty-one million, five hundred eighty-nine thousand, four hundred ninety-four".