9328401209 has 4 divisors (see below), whose sum is σ = 9545340816. Its totient is φ = 9111461604.

The previous prime is 9328401197. The next prime is 9328401241. The reversal of 9328401209 is 9021048239.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9021048239 = 7 ⋅1288721177.

It is a cyclic number.

It is not a de Polignac number, because 9328401209 - 2²⁸ = 9059965753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9328401289) 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, 108469739 + ... + 108469824.

It is an arithmetic number, because the mean of its divisors is an integer number (2386335204).

Almost surely, 2^9328401209 is an apocalyptic number.

It is an amenable number.

9328401209 is a deficient number, since it is larger than the sum of its proper divisors (216939607).

9328401209 is a wasteful number, since it uses less digits than its factorization.

9328401209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216939606.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 9328401209 is about 96583.6487662379. The cubic root of 9328401209 is about 2105.0822639806.

The spelling of 9328401209 in words is "nine billion, three hundred twenty-eight million, four hundred one thousand, two hundred nine".