9999000833 has 2 divisors, whose sum is σ = 9999000834. Its totient is φ = 9999000832.

The previous prime is 9999000827. The next prime is 9999000859. The reversal of 9999000833 is 3380009999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5114109169 + 4884891664 = 71513^2 + 69892^2 .

It is an emirp because it is prime and its reverse (3380009999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9999000833 - 2⁸ = 9999000577 is a prime.

It is not a weakly prime, because it can be changed into another prime (9999000133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999500416 + 4999500417.

It is an arithmetic number, because the mean of its divisors is an integer number (4999500417).

Almost surely, 2^9999000833 is an apocalyptic number.

It is an amenable number.

9999000833 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999000833 is an equidigital number, since it uses as much as digits as its factorization.

9999000833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472392, while the sum is 50.

The square root of 9999000833 is about 99995.0040402019. The cubic root of 9999000833 is about 2154.3629329737.

The spelling of 9999000833 in words is "nine billion, nine hundred ninety-nine million, eight hundred thirty-three", and thus it is an aban number.