9933329909 has 2 divisors, whose sum is σ = 9933329910. Its totient is φ = 9933329908.

The previous prime is 9933329851. The next prime is 9933329977. The reversal of 9933329909 is 9099233399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8720758225 + 1212571684 = 93385^2 + 34822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9933329909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9933529909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4966664954 + 4966664955.

It is an arithmetic number, because the mean of its divisors is an integer number (4966664955).

Almost surely, 2^9933329909 is an apocalyptic number.

It is an amenable number.

9933329909 is a deficient number, since it is larger than the sum of its proper divisors (1).

9933329909 is an equidigital number, since it uses as much as digits as its factorization.

9933329909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3188646, while the sum is 56.

The square root of 9933329909 is about 99666.0920724797. The cubic root of 9933329909 is about 2149.6361316075.

The spelling of 9933329909 in words is "nine billion, nine hundred thirty-three million, three hundred twenty-nine thousand, nine hundred nine".