9009910009 has 4 divisors (see below), whose sum is σ = 9078688080. Its totient is φ = 8941131940.

The previous prime is 9009909983. The next prime is 9009910073. The reversal of 9009910009 is 9000199009.

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.

It is a cyclic number.

It is not a de Polignac number, because 9009910009 - 2³³ = 419975417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9009910009.

It is not an unprimeable number, because it can be changed into a prime (9009910309) 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, 34388839 + ... + 34389100.

It is an arithmetic number, because the mean of its divisors is an integer number (2269672020).

Almost surely, 2^9009910009 is an apocalyptic number.

It is an amenable number.

9009910009 is a deficient number, since it is larger than the sum of its proper divisors (68778071).

9009910009 is a wasteful number, since it uses less digits than its factorization.

9009910009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68778070.

The product of its (nonzero) digits is 6561, while the sum is 37.

The square root of 9009910009 is about 94920.5457685532. The cubic root of 9009910009 is about 2080.8470114983.

The spelling of 9009910009 in words is "nine billion, nine million, nine hundred ten thousand, nine".