18293121094 has 4 divisors (see below), whose sum is σ = 27439681644. Its totient is φ = 9146560546.

The previous prime is 18293121083. The next prime is 18293121109. The reversal of 18293121094 is 49012139281.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4573280272 + ... + 4573280275.

It is an arithmetic number, because the mean of its divisors is an integer number (6859920411).

Almost surely, 2^18293121094 is an apocalyptic number.

18293121094 is a deficient number, since it is larger than the sum of its proper divisors (9146560550).

18293121094 is an equidigital number, since it uses as much as digits as its factorization.

18293121094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146560549.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 18293121094 in words is "eighteen billion, two hundred ninety-three million, one hundred twenty-one thousand, ninety-four".