9009793505 has 4 divisors (see below), whose sum is σ = 10811752212. Its totient is φ = 7207834800.

The previous prime is 9009793409. The next prime is 9009793511. The reversal of 9009793505 is 5053979009.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4980971776 + 4028821729 = 70576^2 + 63473^2 .

It is not a de Polignac number, because 9009793505 - 2²⁴ = 8993016289 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 9009793505.

It is an unprimeable number.

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, 900979346 + ... + 900979355.

It is an arithmetic number, because the mean of its divisors is an integer number (2702938053).

Almost surely, 2^9009793505 is an apocalyptic number.

It is an amenable number.

9009793505 is a deficient number, since it is larger than the sum of its proper divisors (1801958707).

9009793505 is a wasteful number, since it uses less digits than its factorization.

9009793505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801958706.

The product of its (nonzero) digits is 382725, while the sum is 47.

The square root of 9009793505 is about 94919.9320743541. The cubic root of 9009793505 is about 2080.8380425576.

The spelling of 9009793505 in words is "nine billion, nine million, seven hundred ninety-three thousand, five hundred five".