9509273121 has 8 divisors (see below), whose sum is σ = 13346348320. Its totient is φ = 6005856672.

The previous prime is 9509273093. The next prime is 9509273173. The reversal of 9509273121 is 1213729059.

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

It is not a de Polignac number, because 9509273121 - 2²⁶ = 9442164257 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 9509273121.

It is not an unprimeable number, because it can be changed into a prime (9509273821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83414620 + ... + 83414733.

It is an arithmetic number, because the mean of its divisors is an integer number (1668293540).

Almost surely, 2^9509273121 is an apocalyptic number.

It is an amenable number.

9509273121 is a deficient number, since it is larger than the sum of its proper divisors (3837075199).

9509273121 is a wasteful number, since it uses less digits than its factorization.

9509273121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166829375.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 9509273121 is about 97515.5019522537. The cubic root of 9509273121 is about 2118.6006786388.

The spelling of 9509273121 in words is "nine billion, five hundred nine million, two hundred seventy-three thousand, one hundred twenty-one".