80209490009 has 16 divisors (see below), whose sum is σ = 87690133440. Its totient is φ = 72760512000.

The previous prime is 80209490003. The next prime is 80209490021. The reversal of 80209490009 is 90009490208.

It is not a de Polignac number, because 80209490009 - 2³² = 75914522713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80209490003) 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 15 ways as a sum of consecutive naturals, for example, 10937474 + ... + 10944804.

It is an arithmetic number, because the mean of its divisors is an integer number (5480633340).

Almost surely, 2^80209490009 is an apocalyptic number.

It is an amenable number.

80209490009 is a deficient number, since it is larger than the sum of its proper divisors (7480643431).

80209490009 is a wasteful number, since it uses less digits than its factorization.

80209490009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9352.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 80209490009 in words is "eighty billion, two hundred nine million, four hundred ninety thousand, nine".