19317411984 has 120 divisors (see below), whose sum is σ = 57089818240. Its totient is φ = 5594130432.

The previous prime is 19317411983. The next prime is 19317412007. The reversal of 19317411984 is 48911471391.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (19317411983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126777 + ... + 233895.

Almost surely, 2^19317411984 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 19317411984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28544909120).

19317411984 is an abundant number, since it is smaller than the sum of its proper divisors (37772406256).

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

19317411984 is a wasteful number, since it uses less digits than its factorization.

19317411984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107177 (or 107154 counting only the distinct ones).

The product of its digits is 217728, while the sum is 48.

The spelling of 19317411984 in words is "nineteen billion, three hundred seventeen million, four hundred eleven thousand, nine hundred eighty-four".