18648483212 has 12 divisors (see below), whose sum is σ = 32637799656. Its totient is φ = 9323397600.

The previous prime is 18648483193. The next prime is 18648483241. The reversal of 18648483212 is 21238484681.

It is a super-2 number, since 2×18648483212² (a number of 21 digits) contains 22 as substring.

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, 159914 + ... + 250737.

It is an arithmetic number, because the mean of its divisors is an integer number (2719816638).

Almost surely, 2^18648483212 is an apocalyptic number.

It is an amenable number.

18648483212 is a deficient number, since it is larger than the sum of its proper divisors (13989316444).

18648483212 is a wasteful number, since it uses less digits than its factorization.

18648483212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422008 (or 422006 counting only the distinct ones).

The product of its digits is 589824, while the sum is 47.

The spelling of 18648483212 in words is "eighteen billion, six hundred forty-eight million, four hundred eighty-three thousand, two hundred twelve".