9076641221 has 16 divisors (see below), whose sum is σ = 9618954240. Its totient is φ = 8540970480.

The previous prime is 9076641191. The next prime is 9076641239. The reversal of 9076641221 is 1221466709.

It is a cyclic number.

It is not a de Polignac number, because 9076641221 - 2²² = 9072446917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9076641121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2078186 + ... + 2082548.

It is an arithmetic number, because the mean of its divisors is an integer number (601184640).

Almost surely, 2^9076641221 is an apocalyptic number.

It is an amenable number.

9076641221 is a deficient number, since it is larger than the sum of its proper divisors (542313019).

9076641221 is a wasteful number, since it uses less digits than its factorization.

9076641221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 9076641221 is about 95271.4082030910. The cubic root of 9076641221 is about 2085.9715922545.

The spelling of 9076641221 in words is "nine billion, seventy-six million, six hundred forty-one thousand, two hundred twenty-one".