18283638350 has 12 divisors (see below), whose sum is σ = 34007567424. Its totient is φ = 7313455320.

The previous prime is 18283638341. The next prime is 18283638361. The reversal of 18283638350 is 5383638281.

It is a junction number, because it is equal to n+sod(n) for n = 18283638295 and 18283638304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182836334 + ... + 182836433.

It is an arithmetic number, because the mean of its divisors is an integer number (2833963952).

Almost surely, 2^18283638350 is an apocalyptic number.

18283638350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18283638350 is a deficient number, since it is larger than the sum of its proper divisors (15723929074).

18283638350 is a wasteful number, since it uses less digits than its factorization.

18283638350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365672779 (or 365672774 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 18283638350 in words is "eighteen billion, two hundred eighty-three million, six hundred thirty-eight thousand, three hundred fifty".