9799418839584 has 192 divisors, whose sum is σ = 28146795909120. Its totient is φ = 2960555320320.

The previous prime is 9799418839541. The next prime is 9799418839589. The reversal of 9799418839584 is 4859388149979.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9799418839497 and 9799418839506.

It is not an unprimeable number, because it can be changed into a prime (9799418839589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 673168434 + ... + 673182990.

It is an arithmetic number, because the mean of its divisors is an integer number (146597895360).

Almost surely, 2^{9799418839584} 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 9799418839584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14073397954560).

9799418839584 is an abundant number, since it is smaller than the sum of its proper divisors (18347377069536).

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

9799418839584 is a wasteful number, since it uses less digits than its factorization.

9799418839584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16463 (or 16455 counting only the distinct ones).

The product of its digits is 5643509760, while the sum is 84.

The spelling of 9799418839584 in words is "nine trillion, seven hundred ninety-nine billion, four hundred eighteen million, eight hundred thirty-nine thousand, five hundred eighty-four".