9848384981 has 2 divisors, whose sum is σ = 9848384982. Its totient is φ = 9848384980.

The previous prime is 9848384939. The next prime is 9848385023. The reversal of 9848384981 is 1894838489.

9848384981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (9848384939) and next prime (9848385023).

It can be written as a sum of positive squares in only one way, i.e., 7145320900 + 2703064081 = 84530^2 + 51991^2 .

It is an emirp because it is prime and its reverse (1894838489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9848384981 - 2²² = 9844190677 is a prime.

It is a super-2 number, since 2×9848384981² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9848384681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4924192490 + 4924192491.

It is an arithmetic number, because the mean of its divisors is an integer number (4924192491).

Almost surely, 2^9848384981 is an apocalyptic number.

It is an amenable number.

9848384981 is a deficient number, since it is larger than the sum of its proper divisors (1).

9848384981 is an equidigital number, since it uses as much as digits as its factorization.

9848384981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15925248, while the sum is 62.

The square root of 9848384981 is about 99239.0295246784. The cubic root of 9848384981 is about 2143.4910396553.

The spelling of 9848384981 in words is "nine billion, eight hundred forty-eight million, three hundred eighty-four thousand, nine hundred eighty-one".