9848384681 has 2 divisors, whose sum is σ = 9848384682. Its totient is φ = 9848384680.

The previous prime is 9848384647. The next prime is 9848384783. The reversal of 9848384681 is 1864838489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8782688656 + 1065696025 = 93716^2 + 32645^2 .

It is a cyclic number.

It is not a de Polignac number, because 9848384681 - 2⁶ = 9848384617 is a prime.

It is a super-2 number, since 2×9848384681² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9848384681.

It is not a weakly prime, because it can be changed into another prime (9848384981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4924192340 + 4924192341.

It is an arithmetic number, because the mean of its divisors is an integer number (4924192341).

Almost surely, 2^9848384681 is an apocalyptic number.

It is an amenable number.

9848384681 is a deficient number, since it is larger than the sum of its proper divisors (1).

9848384681 is an equidigital number, since it uses as much as digits as its factorization.

9848384681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10616832, while the sum is 59.

The square root of 9848384681 is about 99239.0280131763. The cubic root of 9848384681 is about 2143.4910178904.

The spelling of 9848384681 in words is "nine billion, eight hundred forty-eight million, three hundred eighty-four thousand, six hundred eighty-one".