18214449486 has 8 divisors (see below), whose sum is σ = 36428898984. Its totient is φ = 6071483160.

The previous prime is 18214449467. The next prime is 18214449551. The reversal of 18214449486 is 68494441281.

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

18214449486 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517870785 + ... + 1517870796.

It is an arithmetic number, because the mean of its divisors is an integer number (4553612373).

Almost surely, 2^18214449486 is an apocalyptic number.

18214449486 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.

18214449486 is a wasteful number, since it uses less digits than its factorization.

18214449486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035741586.

The product of its digits is 1769472, while the sum is 51.

The spelling of 18214449486 in words is "eighteen billion, two hundred fourteen million, four hundred forty-nine thousand, four hundred eighty-six".