18985483000 has 64 divisors (see below), whose sum is σ = 48464788320. Its totient is φ = 6903808000.

The previous prime is 18985482991. The next prime is 18985483007. The reversal of 18985483000 is 38458981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18985483007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851977 + ... + 873976.

Almost surely, 2^18985483000 is an apocalyptic number.

18985483000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18985483000 is an abundant number, since it is smaller than the sum of its proper divisors (29479305320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18985483000 is a wasteful number, since it uses less digits than its factorization.

18985483000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725985 (or 1725971 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 18985483000 in words is "eighteen billion, nine hundred eighty-five million, four hundred eighty-three thousand".