18750204250 has 16 divisors (see below), whose sum is σ = 35100382824. Its totient is φ = 7500081600.

The previous prime is 18750204241. The next prime is 18750204257. The reversal of 18750204250 is 5240205781.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5756712129 + 12993492121 = 75873^2 + 113989^2 .

It is not an unprimeable number, because it can be changed into a prime (18750204257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37500159 + ... + 37500658.

Almost surely, 2^18750204250 is an apocalyptic number.

18750204250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18750204250 is a deficient number, since it is larger than the sum of its proper divisors (16350178574).

18750204250 is an equidigital number, since it uses as much as digits as its factorization.

18750204250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75000834 (or 75000824 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The spelling of 18750204250 in words is "eighteen billion, seven hundred fifty million, two hundred four thousand, two hundred fifty".