8609448905 has 8 divisors (see below), whose sum is σ = 10331933832. Its totient is φ = 6887162368.

The previous prime is 8609448899. The next prime is 8609448931. The reversal of 8609448905 is 5098449068.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4468655104 + 4140793801 = 66848^2 + 64349^2 .

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 8609448905 - 2⁸ = 8609448649 is a prime.

It is a super-2 number, since 2×8609448905² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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, 73787 + ... + 150543.

It is an arithmetic number, because the mean of its divisors is an integer number (1291491729).

Almost surely, 2^8609448905 is an apocalyptic number.

It is an amenable number.

8609448905 is a deficient number, since it is larger than the sum of its proper divisors (1722484927).

8609448905 is a wasteful number, since it uses less digits than its factorization.

8609448905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99195.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The square root of 8609448905 is about 92787.1160506673. The cubic root of 8609448905 is about 2049.5496853440.

The spelling of 8609448905 in words is "eight billion, six hundred nine million, four hundred forty-eight thousand, nine hundred five".