9853321000000 has 441 divisors, whose sum is σ = 25369609503123. Its totient is φ = 3796934400000.

The previous prime is 9853320999971. The next prime is 9853321000013. The reversal of 9853321000000 is 1233589.

It is a happy number.

The square root of 9853321000000 is 3139000.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 10 ways, for example, as 8644587868224 + 1208733131776 = 2940168^2 + 1099424^2 .

It is a Duffinian number.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 134976999964 + ... + 134977000036.

Almost surely, 2^{9853321000000} is an apocalyptic number.

9853321000000 is the 3139000-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9853321000000

9853321000000 is an abundant number, since it is smaller than the sum of its proper divisors (15516288503123).

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

9853321000000 is an frugal number, since it uses more digits than its factorization.

9853321000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 9853321000000 its reverse (1233589), we get a palindrome (9853322233589).

The spelling of 9853321000000 in words is "nine trillion, eight hundred fifty-three billion, three hundred twenty-one million", and thus it is an aban number.