18535036850 has 24 divisors (see below), whose sum is σ = 37609275888. Its totient is φ = 6740013200.

The previous prime is 18535036823. The next prime is 18535036859. The reversal of 18535036850 is 5863053581.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18535036859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16849484 + ... + 16850583.

It is an arithmetic number, because the mean of its divisors is an integer number (1567053162).

Almost surely, 2^18535036850 is an apocalyptic number.

18535036850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18535036850 is an abundant number, since it is smaller than the sum of its proper divisors (19074239038).

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

18535036850 is a wasteful number, since it uses less digits than its factorization.

18535036850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33700090 (or 33700085 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 18535036850 in words is "eighteen billion, five hundred thirty-five million, thirty-six thousand, eight hundred fifty".