9803443109 has 2 divisors, whose sum is σ = 9803443110. Its totient is φ = 9803443108.

The previous prime is 9803443061. The next prime is 9803443121. The reversal of 9803443109 is 9013443089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6556950625 + 3246492484 = 80975^2 + 56978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9803443109 is a prime.

It is a super-2 number, since 2×9803443109² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9803442109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4901721554 + 4901721555.

It is an arithmetic number, because the mean of its divisors is an integer number (4901721555).

Almost surely, 2^9803443109 is an apocalyptic number.

It is an amenable number.

9803443109 is a deficient number, since it is larger than the sum of its proper divisors (1).

9803443109 is an equidigital number, since it uses as much as digits as its factorization.

9803443109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 9803443109 is about 99012.3381655034. The cubic root of 9803443109 is about 2140.2255497122.

The spelling of 9803443109 in words is "nine billion, eight hundred three million, four hundred forty-three thousand, one hundred nine".