19384852608 has 384 divisors, whose sum is σ = 64357675200. Its totient is φ = 5757972480.

The previous prime is 19384852607. The next prime is 19384852639. The reversal of 19384852608 is 80625848391.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (19384852607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18133098 + ... + 18134166.

Almost surely, 2^19384852608 is an apocalyptic number.

19384852608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19384852608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32178837600).

19384852608 is an abundant number, since it is smaller than the sum of its proper divisors (44972822592).

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

19384852608 is a wasteful number, since it uses less digits than its factorization.

19384852608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 19384852608 in words is "nineteen billion, three hundred eighty-four million, eight hundred fifty-two thousand, six hundred eight".