18363614250 has 32 divisors (see below), whose sum is σ = 45835583040. Its totient is φ = 4896963600.

The previous prime is 18363614249. The next prime is 18363614257. The reversal of 18363614250 is 5241636381.

It is a junction number, because it is equal to n+sod(n) for n = 18363614199 and 18363614208.

It is not an unprimeable number, because it can be changed into a prime (18363614257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12241660 + ... + 12243159.

It is an arithmetic number, because the mean of its divisors is an integer number (1432361970).

Almost surely, 2^18363614250 is an apocalyptic number.

18363614250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18363614250 is an abundant number, since it is smaller than the sum of its proper divisors (27471968790).

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

18363614250 is a wasteful number, since it uses less digits than its factorization.

18363614250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24484839 (or 24484829 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 18363614250 in words is "eighteen billion, three hundred sixty-three million, six hundred fourteen thousand, two hundred fifty".