19317875928 has 192 divisors, whose sum is σ = 56586700800. Its totient is φ = 5447865600.

The previous prime is 19317875923. The next prime is 19317876001. The reversal of 19317875928 is 82957871391.

It is a super-2 number, since 2×19317875928² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19317875923) 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, 5695113 + ... + 5698503.

It is an arithmetic number, because the mean of its divisors is an integer number (294722400).

Almost surely, 2^19317875928 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 19317875928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28293350400).

19317875928 is an abundant number, since it is smaller than the sum of its proper divisors (37268824872).

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

19317875928 is a wasteful number, since it uses less digits than its factorization.

19317875928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494 (or 3459 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 60.

The spelling of 19317875928 in words is "nineteen billion, three hundred seventeen million, eight hundred seventy-five thousand, nine hundred twenty-eight".