9684885541 has 2 divisors, whose sum is σ = 9684885542. Its totient is φ = 9684885540.

The previous prime is 9684885487. The next prime is 9684885589. The reversal of 9684885541 is 1455884869.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5623500100 + 4061385441 = 74990^2 + 63729^2 .

It is an emirp because it is prime and its reverse (1455884869) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9684885541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9684888541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4842442770 + 4842442771.

It is an arithmetic number, because the mean of its divisors is an integer number (4842442771).

Almost surely, 2^9684885541 is an apocalyptic number.

It is an amenable number.

9684885541 is a deficient number, since it is larger than the sum of its proper divisors (1).

9684885541 is an equidigital number, since it uses as much as digits as its factorization.

9684885541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11059200, while the sum is 58.

The square root of 9684885541 is about 98411.8160639260. The cubic root of 9684885541 is about 2131.5629561658.

The spelling of 9684885541 in words is "nine billion, six hundred eighty-four million, eight hundred eighty-five thousand, five hundred forty-one".