9153612221 has 8 divisors (see below), whose sum is σ = 9859264800. Its totient is φ = 8448178032.

The previous prime is 9153612217. The next prime is 9153612233. The reversal of 9153612221 is 1222163519.

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

It is a cyclic number.

It is not a de Polignac number, because 9153612221 - 2² = 9153612217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9153632221) 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, 38330 + ... + 140628.

It is an arithmetic number, because the mean of its divisors is an integer number (1232408100).

Almost surely, 2^9153612221 is an apocalyptic number.

It is an amenable number.

9153612221 is a deficient number, since it is larger than the sum of its proper divisors (705652579).

9153612221 is a wasteful number, since it uses less digits than its factorization.

9153612221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109195.

The product of its digits is 6480, while the sum is 32.

The square root of 9153612221 is about 95674.5118670589. The cubic root of 9153612221 is about 2091.8514321514.

The spelling of 9153612221 in words is "nine billion, one hundred fifty-three million, six hundred twelve thousand, two hundred twenty-one".