9729634009 has 8 divisors (see below), whose sum is σ = 10235736000. Its totient is φ = 9234905232.

The previous prime is 9729634003. The next prime is 9729634049. The reversal of 9729634009 is 9004369279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9729634009 - 2³ = 9729634001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9729634001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2841549 + ... + 2844970.

It is an arithmetic number, because the mean of its divisors is an integer number (1279467000).

Almost surely, 2^9729634009 is an apocalyptic number.

It is an amenable number.

9729634009 is a deficient number, since it is larger than the sum of its proper divisors (506101991).

9729634009 is a wasteful number, since it uses less digits than its factorization.

9729634009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686607.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 9729634009 is about 98638.9071766309. The cubic root of 9729634009 is about 2134.8408351016.

The spelling of 9729634009 in words is "nine billion, seven hundred twenty-nine million, six hundred thirty-four thousand, nine".