19328963472 has 320 divisors, whose sum is σ = 69580546560. Its totient is φ = 5001025536.

The previous prime is 19328963441. The next prime is 19328963477. The reversal of 19328963472 is 27436982391.

19328963472 is a `hidden beast` number, since 1 + 9 + 32 + 89 + 63 + 472 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (19328963477) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2078898 + ... + 2088174.

It is an arithmetic number, because the mean of its divisors is an integer number (217439208).

Almost surely, 2^19328963472 is an apocalyptic number.

19328963472 is a gapful number since it is divisible by the number (12) 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 19328963472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34790273280).

19328963472 is an abundant number, since it is smaller than the sum of its proper divisors (50251583088).

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

19328963472 is a wasteful number, since it uses less digits than its factorization.

19328963472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9367 (or 9355 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 19328963472 in words is "nineteen billion, three hundred twenty-eight million, nine hundred sixty-three thousand, four hundred seventy-two".