18229130828 has 12 divisors (see below), whose sum is σ = 31936950192. Its totient is φ = 9104287920.

The previous prime is 18229130797. The next prime is 18229130831. The reversal of 18229130828 is 82803192281.

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 3 ways as a sum of consecutive naturals, for example, 2565383 + ... + 2572478.

It is an arithmetic number, because the mean of its divisors is an integer number (2661412516).

Almost surely, 2^18229130828 is an apocalyptic number.

It is an amenable number.

18229130828 is a deficient number, since it is larger than the sum of its proper divisors (13707819364).

18229130828 is a wasteful number, since it uses less digits than its factorization.

18229130828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138752 (or 5138750 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 18229130828 in words is "eighteen billion, two hundred twenty-nine million, one hundred thirty thousand, eight hundred twenty-eight".