9794242509 has 8 divisors (see below), whose sum is σ = 13411935840. Its totient is φ = 6353022096.

The previous prime is 9794242489. The next prime is 9794242543. The reversal of 9794242509 is 9052424979.

9794242509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9794242509 - 2⁸ = 9794242253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9794242109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44118099 + ... + 44118320.

It is an arithmetic number, because the mean of its divisors is an integer number (1676491980).

Almost surely, 2^9794242509 is an apocalyptic number.

It is an amenable number.

9794242509 is a deficient number, since it is larger than the sum of its proper divisors (3617693331).

9794242509 is a wasteful number, since it uses less digits than its factorization.

9794242509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88236459.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 9794242509 is about 98965.8653728648. The cubic root of 9794242509 is about 2139.5558012593. Note that the first 3 decimals are identical.

The spelling of 9794242509 in words is "nine billion, seven hundred ninety-four million, two hundred forty-two thousand, five hundred nine".