19483834368 has 144 divisors (see below), whose sum is σ = 55184514840. Its totient is φ = 6112018432.

The previous prime is 19483834333. The next prime is 19483834399. The reversal of 19483834368 is 86343838491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1770130 + ... + 1781102.

Almost surely, 2^19483834368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19483834368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27592257420).

19483834368 is an abundant number, since it is smaller than the sum of its proper divisors (35700680472).

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

19483834368 is a wasteful number, since it uses less digits than its factorization.

19483834368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11032 (or 10995 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 57.

The spelling of 19483834368 in words is "nineteen billion, four hundred eighty-three million, eight hundred thirty-four thousand, three hundred sixty-eight".