9889009699 has 2 divisors, whose sum is σ = 9889009700. Its totient is φ = 9889009698.

The previous prime is 9889009679. The next prime is 9889009729. The reversal of 9889009699 is 9969009889.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9889009699 - 2¹¹ = 9889007651 is a prime.

It is not a weakly prime, because it can be changed into another prime (9889009609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4944504849 + 4944504850.

It is an arithmetic number, because the mean of its divisors is an integer number (4944504850).

Almost surely, 2^9889009699 is an apocalyptic number.

9889009699 is a deficient number, since it is larger than the sum of its proper divisors (1).

9889009699 is an equidigital number, since it uses as much as digits as its factorization.

9889009699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22674816, while the sum is 67.

The square root of 9889009699 is about 99443.5000339389. The cubic root of 9889009699 is about 2146.4343059609.

The spelling of 9889009699 in words is "nine billion, eight hundred eighty-nine million, nine thousand, six hundred ninety-nine".