9684994901 has 2 divisors, whose sum is σ = 9684994902. Its totient is φ = 9684994900.

The previous prime is 9684994853. The next prime is 9684994927. The reversal of 9684994901 is 1094994869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6066852100 + 3618142801 = 77890^2 + 60151^2 .

It is a cyclic number.

It is not a de Polignac number, because 9684994901 - 2²⁶ = 9617886037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9684994001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4842497450 + 4842497451.

It is an arithmetic number, because the mean of its divisors is an integer number (4842497451).

Almost surely, 2^9684994901 is an apocalyptic number.

It is an amenable number.

9684994901 is a deficient number, since it is larger than the sum of its proper divisors (1).

9684994901 is an equidigital number, since it uses as much as digits as its factorization.

9684994901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5038848, while the sum is 59.

The square root of 9684994901 is about 98412.3716866939. The cubic root of 9684994901 is about 2131.5709792118.

The spelling of 9684994901 in words is "nine billion, six hundred eighty-four million, nine hundred ninety-four thousand, nine hundred one".