19073968896 has 144 divisors (see below), whose sum is σ = 52353544320. Its totient is φ = 6161326080.

The previous prime is 19073968891. The next prime is 19073968897. The reversal of 19073968896 is 69886937091.

It is not an unprimeable number, because it can be changed into a prime (19073968891) 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, 4323940 + ... + 4328348.

It is an arithmetic number, because the mean of its divisors is an integer number (363566280).

Almost surely, 2^19073968896 is an apocalyptic number.

19073968896 is a gapful number since it is divisible by the number (16) 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 19073968896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26176772160).

19073968896 is an abundant number, since it is smaller than the sum of its proper divisors (33279575424).

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

19073968896 is a wasteful number, since it uses less digits than its factorization.

19073968896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602 (or 4588 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 66.

The spelling of 19073968896 in words is "nineteen billion, seventy-three million, nine hundred sixty-eight thousand, eight hundred ninety-six".