18983383654612 has 24 divisors (see below), whose sum is σ = 36229242425600. Its totient is φ = 8650655840736.

The previous prime is 18983383654603. The next prime is 18983383654619. The reversal of 18983383654612 is 21645638338981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18983383654619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2310534312 + ... + 2310542527.

Almost surely, 2^{18983383654612} is an apocalyptic number.

It is an amenable number.

18983383654612 is a deficient number, since it is larger than the sum of its proper divisors (17245858770988).

18983383654612 is a wasteful number, since it uses less digits than its factorization.

18983383654612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621076935 (or 4621076933 counting only the distinct ones).

The product of its digits is 179159040, while the sum is 67.

The spelling of 18983383654612 in words is "eighteen trillion, nine hundred eighty-three billion, three hundred eighty-three million, six hundred fifty-four thousand, six hundred twelve".