19483827608 has 64 divisors (see below), whose sum is σ = 43493683200. Its totient is φ = 8006636160.

The previous prime is 19483827607. The next prime is 19483827611. The reversal of 19483827608 is 80672838491.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19483827607) 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, 137741 + ... + 240707.

It is an arithmetic number, because the mean of its divisors is an integer number (679588800).

Almost surely, 2^19483827608 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 19483827608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21746841600).

19483827608 is an abundant number, since it is smaller than the sum of its proper divisors (24009855592).

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

19483827608 is a wasteful number, since it uses less digits than its factorization.

19483827608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103120 (or 103116 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 19483827608 in words is "nineteen billion, four hundred eighty-three million, eight hundred twenty-seven thousand, six hundred eight".