80430209818 has 32 divisors (see below), whose sum is σ = 138540430080. Its totient is φ = 34305423360.

The previous prime is 80430209801. The next prime is 80430209851. The reversal of 80430209818 is 81890203408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2829018 + ... + 2857306.

It is an arithmetic number, because the mean of its divisors is an integer number (4329388440).

Almost surely, 2^80430209818 is an apocalyptic number.

80430209818 is a deficient number, since it is larger than the sum of its proper divisors (58110220262).

80430209818 is a wasteful number, since it uses less digits than its factorization.

80430209818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29262.

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 80430209818 in words is "eighty billion, four hundred thirty million, two hundred nine thousand, eight hundred eighteen".