9239805673147 has 4 divisors (see below), whose sum is σ = 10559777912176. Its totient is φ = 7919833434120.

The previous prime is 9239805673129. The next prime is 9239805673159. The reversal of 9239805673147 is 7413765089329.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9239805673147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9239805673127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659986119504 + ... + 659986119517.

It is an arithmetic number, because the mean of its divisors is an integer number (2639944478044).

It is a 1-persistent number, because it is pandigital, but 2⋅9239805673147 = 18479611346294 is not.

Almost surely, 2^{9239805673147} is an apocalyptic number.

9239805673147 is a deficient number, since it is larger than the sum of its proper divisors (1319972239029).

9239805673147 is a wasteful number, since it uses less digits than its factorization.

9239805673147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319972239028.

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 9239805673147 in words is "nine trillion, two hundred thirty-nine billion, eight hundred five million, six hundred seventy-three thousand, one hundred forty-seven".