19823485612 has 24 divisors (see below), whose sum is σ = 41733655040. Its totient is φ = 8048633040.

The previous prime is 19823485603. The next prime is 19823485667. The reversal of 19823485612 is 21658432891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18630564 + ... + 18631627.

Almost surely, 2^19823485612 is an apocalyptic number.

It is an amenable number.

19823485612 is an abundant number, since it is smaller than the sum of its proper divisors (21910169428).

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

19823485612 is a wasteful number, since it uses less digits than its factorization.

19823485612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37262221 (or 37262219 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The spelling of 19823485612 in words is "nineteen billion, eight hundred twenty-three million, four hundred eighty-five thousand, six hundred twelve".