18433600850 has 24 divisors (see below), whose sum is σ = 39184569408. Its totient is φ = 6320091600.

The previous prime is 18433600849. The next prime is 18433600903. The reversal of 18433600850 is 5800633481.

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 11 ways as a sum of consecutive naturals, for example, 26333366 + ... + 26334065.

It is an arithmetic number, because the mean of its divisors is an integer number (1632690392).

Almost surely, 2^18433600850 is an apocalyptic number.

18433600850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18433600850 is an abundant number, since it is smaller than the sum of its proper divisors (20750968558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18433600850 is a wasteful number, since it uses less digits than its factorization.

18433600850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52667450 (or 52667445 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 18433600850 in words is "eighteen billion, four hundred thirty-three million, six hundred thousand, eight hundred fifty".