18745874590 has 8 divisors (see below), whose sum is σ = 33742574280. Its totient is φ = 7498349832.

The previous prime is 18745874531. The next prime is 18745874593. The reversal of 18745874590 is 9547854781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18745874593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937293720 + ... + 937293739.

It is an arithmetic number, because the mean of its divisors is an integer number (4217821785).

Almost surely, 2^18745874590 is an apocalyptic number.

18745874590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18745874590 is a deficient number, since it is larger than the sum of its proper divisors (14996699690).

18745874590 is a wasteful number, since it uses less digits than its factorization.

18745874590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874587466.

The product of its (nonzero) digits is 11289600, while the sum is 58.

The spelling of 18745874590 in words is "eighteen billion, seven hundred forty-five million, eight hundred seventy-four thousand, five hundred ninety".