18303754828 has 12 divisors (see below), whose sum is σ = 32032543032. Its totient is φ = 9151599680.

The previous prime is 18303754813. The next prime is 18303754853. The reversal of 18303754828 is 82845730381.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172563 + ... + 257653.

It is an arithmetic number, because the mean of its divisors is an integer number (2669378586).

Almost surely, 2^18303754828 is an apocalyptic number.

It is an amenable number.

18303754828 is a deficient number, since it is larger than the sum of its proper divisors (13728788204).

18303754828 is a wasteful number, since it uses less digits than its factorization.

18303754828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138872 (or 138870 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 18303754828 in words is "eighteen billion, three hundred three million, seven hundred fifty-four thousand, eight hundred twenty-eight".