18450399596 has 12 divisors (see below), whose sum is σ = 32360113800. Its totient is φ = 9204652800.

The previous prime is 18450399577. The next prime is 18450399631. The reversal of 18450399596 is 69599305481.

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, 5134730 + ... + 5138321.

It is an arithmetic number, because the mean of its divisors is an integer number (2696676150).

Almost surely, 2^18450399596 is an apocalyptic number.

It is an amenable number.

18450399596 is a deficient number, since it is larger than the sum of its proper divisors (13909714204).

18450399596 is a wasteful number, since it uses less digits than its factorization.

18450399596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10273504 (or 10273502 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 59.

The spelling of 18450399596 in words is "eighteen billion, four hundred fifty million, three hundred ninety-nine thousand, five hundred ninety-six".