19363968000 has 704 divisors, whose sum is σ = 77252797440. Its totient is φ = 4755456000.

The previous prime is 19363967989. The next prime is 19363968007. The reversal of 19363968000 is 86936391.

19363968000 is a `hidden beast` number, since 1 + 9 + 3 + 639 + 6 + 8 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19363968007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44927785 + ... + 44928215.

Almost surely, 2^19363968000 is an apocalyptic number.

19363968000 is a gapful number since it is divisible by the number (10) 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 19363968000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38626398720).

19363968000 is an abundant number, since it is smaller than the sum of its proper divisors (57888829440).

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

19363968000 is a wasteful number, since it uses less digits than its factorization.

19363968000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 19363968000 in words is "nineteen billion, three hundred sixty-three million, nine hundred sixty-eight thousand".