9000009849 has 4 divisors (see below), whose sum is σ = 12000013136. Its totient is φ = 6000006564.

The previous prime is 9000009839. The next prime is 9000009853. The reversal of 9000009849 is 9489000009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9489000009 = 3 ⋅3163000003.

It is not a de Polignac number, because 9000009849 - 2⁵ = 9000009817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9000009829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500001639 + ... + 1500001644.

It is an arithmetic number, because the mean of its divisors is an integer number (3000003284).

Almost surely, 2^9000009849 is an apocalyptic number.

It is an amenable number.

9000009849 is a deficient number, since it is larger than the sum of its proper divisors (3000003287).

9000009849 is a wasteful number, since it uses less digits than its factorization.

9000009849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000003286.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 9000009849 is about 94868.3817138250. The cubic root of 9000009849 is about 2080.0845818200.

The spelling of 9000009849 in words is "nine billion, nine thousand, eight hundred forty-nine".