18752794318 has 4 divisors (see below), whose sum is σ = 28129191480. Its totient is φ = 9376397158.

The previous prime is 18752794301. The next prime is 18752794321. The reversal of 18752794318 is 81349725781.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81349725781 = 53593 ⋅1517917.

It is a super-3 number, since 3×18752794318³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4688198578 + ... + 4688198581.

It is an arithmetic number, because the mean of its divisors is an integer number (7032297870).

Almost surely, 2^18752794318 is an apocalyptic number.

18752794318 is a deficient number, since it is larger than the sum of its proper divisors (9376397162).

18752794318 is an equidigital number, since it uses as much as digits as its factorization.

18752794318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9376397161.

The product of its digits is 3386880, while the sum is 55.

The spelling of 18752794318 in words is "eighteen billion, seven hundred fifty-two million, seven hundred ninety-four thousand, three hundred eighteen".