8999448605 has 8 divisors (see below), whose sum is σ = 12342100992. Its totient is φ = 6171050448.

The previous prime is 8999448599. The next prime is 8999448607. The reversal of 8999448605 is 5068449998.

It is a happy number.

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 8999448605 - 2⁴ = 8999448589 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 (8999448607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128563517 + ... + 128563586.

It is an arithmetic number, because the mean of its divisors is an integer number (1542762624).

Almost surely, 2^8999448605 is an apocalyptic number.

It is an amenable number.

8999448605 is a deficient number, since it is larger than the sum of its proper divisors (3342652387).

8999448605 is a wasteful number, since it uses less digits than its factorization.

8999448605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257127115.

The product of its (nonzero) digits is 22394880, while the sum is 62.

The square root of 8999448605 is about 94865.4236537212. The cubic root of 8999448605 is about 2080.0413426355.

The spelling of 8999448605 in words is "eight billion, nine hundred ninety-nine million, four hundred forty-eight thousand, six hundred five".