19313007984 has 80 divisors (see below), whose sum is σ = 55525811200. Its totient is φ = 6427180224.

The previous prime is 19313007971. The next prime is 19313008019. The reversal of 19313007984 is 48970031391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231297 + ... + 303519.

It is an arithmetic number, because the mean of its divisors is an integer number (694072640).

Almost surely, 2^19313007984 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 19313007984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27762905600).

19313007984 is an abundant number, since it is smaller than the sum of its proper divisors (36212803216).

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

19313007984 is a wasteful number, since it uses less digits than its factorization.

19313007984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72859 (or 72847 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 19313007984 in words is "nineteen billion, three hundred thirteen million, seven thousand, nine hundred eighty-four".