9873449172480 has 160 divisors (see below), whose sum is σ = 31603219005600. Its totient is φ = 2629663588352.

The previous prime is 9873449172467. The next prime is 9873449172523. The reversal of 9873449172480 is 842719443789.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5418556 + ... + 7007684.

It is an arithmetic number, because the mean of its divisors is an integer number (197520118785).

Almost surely, 2^{9873449172480} 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 9873449172480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15801609502800).

9873449172480 is an abundant number, since it is smaller than the sum of its proper divisors (21729769833120).

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

9873449172480 is a wasteful number, since it uses less digits than its factorization.

9873449172480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589964 (or 1589948 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 66.

The spelling of 9873449172480 in words is "nine trillion, eight hundred seventy-three billion, four hundred forty-nine million, one hundred seventy-two thousand, four hundred eighty".