8016809459 has 8 divisors (see below), whose sum is σ = 8857447200. Its totient is φ = 7217178496.

The previous prime is 8016809453. The next prime is 8016809497. The reversal of 8016809459 is 9549086108.

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 a de Polignac number, because none of the positive numbers 2^k-8016809459 is a prime.

It is a super-3 number, since 3×8016809459³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8016809453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10251284 + ... + 10252065.

It is an arithmetic number, because the mean of its divisors is an integer number (1107180900).

Almost surely, 2^8016809459 is an apocalyptic number.

8016809459 is a deficient number, since it is larger than the sum of its proper divisors (840637741).

8016809459 is a wasteful number, since it uses less digits than its factorization.

8016809459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20503389.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 8016809459 is about 89536.6375234183. The cubic root of 8016809459 is about 2001.3998082898.

The spelling of 8016809459 in words is "eight billion, sixteen million, eight hundred nine thousand, four hundred fifty-nine".