9853320999971 has 2 divisors, whose sum is σ = 9853320999972. Its totient is φ = 9853320999970.

The previous prime is 9853320999967. The next prime is 9853321000013. The reversal of 9853320999971 is 1799990233589.

It is a happy number.

9853320999971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (1799990233589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9853320999971 - 2² = 9853320999967 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9853320999911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4926660499985 + 4926660499986.

It is an arithmetic number, because the mean of its divisors is an integer number (4926660499986).

Almost surely, 2^{9853320999971} is an apocalyptic number.

9853320999971 is a deficient number, since it is larger than the sum of its proper divisors (1).

9853320999971 is an equidigital number, since it uses as much as digits as its factorization.

9853320999971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 297606960, while the sum is 74.

The spelling of 9853320999971 in words is "nine trillion, eight hundred fifty-three billion, three hundred twenty million, nine hundred ninety-nine thousand, nine hundred seventy-one".