8345327409 has 6 divisors (see below), whose sum is σ = 12054361826. Its totient is φ = 5563551600.

The previous prime is 8345327399. The next prime is 8345327413. The reversal of 8345327409 is 9047235438.

It can be written as a sum of positive squares in only one way, i.e., 6930063009 + 1415264400 = 83247^2 + 37620^2 .

It is not a de Polignac number, because 8345327409 - 2⁷ = 8345327281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8345325409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 463629292 + ... + 463629309.

Almost surely, 2^8345327409 is an apocalyptic number.

It is an amenable number.

8345327409 is a deficient number, since it is larger than the sum of its proper divisors (3709034417).

8345327409 is a wasteful number, since it uses less digits than its factorization.

8345327409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927258607 (or 927258604 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 8345327409 is about 91352.7635542571. The cubic root of 8345327409 is about 2028.3728707913.

The spelling of 8345327409 in words is "eight billion, three hundred forty-five million, three hundred twenty-seven thousand, four hundred nine".