9471408209 has 8 divisors (see below), whose sum is σ = 9522491880. Its totient is φ = 9420422400.

The previous prime is 9471408187. The next prime is 9471408239. The reversal of 9471408209 is 9028041749.

It can be written as a sum of positive squares in 4 ways, for example, as 2750687809 + 6720720400 = 52447^2 + 81980^2 .

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 9471408209 - 2¹² = 9471404113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9471408209.

It is not an unprimeable number, because it can be changed into a prime (9471408239) 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, 173927 + ... + 221795.

It is an arithmetic number, because the mean of its divisors is an integer number (1190311485).

Almost surely, 2^9471408209 is an apocalyptic number.

It is an amenable number.

9471408209 is a deficient number, since it is larger than the sum of its proper divisors (51083671).

9471408209 is a wasteful number, since it uses less digits than its factorization.

9471408209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48931.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 9471408209 is about 97321.1601297477. The cubic root of 9471408209 is about 2115.7849239513.

The spelling of 9471408209 in words is "nine billion, four hundred seventy-one million, four hundred eight thousand, two hundred nine".