9554659221 has 8 divisors (see below), whose sum is σ = 13083857824. Its totient is φ = 6197616720.

The previous prime is 9554659201. The next prime is 9554659223. The reversal of 9554659221 is 1229564559.

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

It is not a de Polignac number, because 9554659221 - 2⁹ = 9554658709 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 (9554659223) 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, 43038895 + ... + 43039116.

It is an arithmetic number, because the mean of its divisors is an integer number (1635482228).

Almost surely, 2^9554659221 is an apocalyptic number.

It is an amenable number.

9554659221 is a deficient number, since it is larger than the sum of its proper divisors (3529198603).

9554659221 is a wasteful number, since it uses less digits than its factorization.

9554659221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86078051.

The product of its digits is 972000, while the sum is 48.

The square root of 9554659221 is about 97747.9371700498. The cubic root of 9554659221 is about 2121.9659007870.

The spelling of 9554659221 in words is "nine billion, five hundred fifty-four million, six hundred fifty-nine thousand, two hundred twenty-one".