9909354806 has 16 divisors (see below), whose sum is σ = 16246338864. Its totient is φ = 4505285664.

The previous prime is 9909354769. The next prime is 9909354823. The reversal of 9909354806 is 6084539099.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2842505 + ... + 2845988.

It is an arithmetic number, because the mean of its divisors is an integer number (1015396179).

Almost surely, 2^9909354806 is an apocalyptic number.

9909354806 is a deficient number, since it is larger than the sum of its proper divisors (6336984058).

9909354806 is a wasteful number, since it uses less digits than its factorization.

9909354806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688575.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 9909354806 is about 99545.7422796174. The cubic root of 9909354806 is about 2147.9052831174.

The spelling of 9909354806 in words is "nine billion, nine hundred nine million, three hundred fifty-four thousand, eight hundred six".