9338831028821 has 8 divisors (see below), whose sum is σ = 10673028192000. Its totient is φ = 8004653476848.

The previous prime is 9338831028743. The next prime is 9338831028859. The reversal of 9338831028821 is 1288201388339.

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

It is not a de Polignac number, because 9338831028821 - 2³⁰ = 9337757286997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9338831028521) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3867806 + ... + 5799791.

It is an arithmetic number, because the mean of its divisors is an integer number (1334128524000).

Almost surely, 2^{9338831028821} is an apocalyptic number.

It is an amenable number.

9338831028821 is a deficient number, since it is larger than the sum of its proper divisors (1334197163179).

9338831028821 is a wasteful number, since it uses less digits than its factorization.

9338831028821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9805603.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 9338831028821 in words is "nine trillion, three hundred thirty-eight billion, eight hundred thirty-one million, twenty-eight thousand, eight hundred twenty-one".