9841216321 has 8 divisors (see below), whose sum is σ = 10160000000. Its totient is φ = 9522515520.

The previous prime is 9841216291. The next prime is 9841216327. The reversal of 9841216321 is 1236121489.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9841216321 - 2²³ = 9832827713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9841216327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299305 + ... + 330553.

It is an arithmetic number, because the mean of its divisors is an integer number (1270000000).

Almost surely, 2^9841216321 is an apocalyptic number.

It is an amenable number.

9841216321 is a deficient number, since it is larger than the sum of its proper divisors (318783679).

9841216321 is a wasteful number, since it uses less digits than its factorization.

9841216321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41439.

The product of its digits is 20736, while the sum is 37.

The square root of 9841216321 is about 99202.9048012204. The cubic root of 9841216321 is about 2142.9708295457.

The spelling of 9841216321 in words is "nine billion, eight hundred forty-one million, two hundred sixteen thousand, three hundred twenty-one".