18421368094 has 12 divisors (see below), whose sum is σ = 28221984144. Its totient is φ = 9014068092.

The previous prime is 18421368089. The next prime is 18421368103. The reversal of 18421368094 is 49086312481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1308907 + ... + 1322905.

It is an arithmetic number, because the mean of its divisors is an integer number (2351832012).

Almost surely, 2^18421368094 is an apocalyptic number.

18421368094 is a deficient number, since it is larger than the sum of its proper divisors (9800616050).

18421368094 is an frugal number, since it uses more digits than its factorization.

18421368094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28047 (or 14048 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 18421368094 in words is "eighteen billion, four hundred twenty-one million, three hundred sixty-eight thousand, ninety-four".