18605838382 has 4 divisors (see below), whose sum is σ = 27908757576. Its totient is φ = 9302919190.

The previous prime is 18605838373. The next prime is 18605838401. The reversal of 18605838382 is 28383850681.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28383850681 = 41 ⋅692289041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4651459594 + ... + 4651459597.

It is an arithmetic number, because the mean of its divisors is an integer number (6977189394).

Almost surely, 2^18605838382 is an apocalyptic number.

18605838382 is a deficient number, since it is larger than the sum of its proper divisors (9302919194).

18605838382 is an equidigital number, since it uses as much as digits as its factorization.

18605838382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9302919193.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 18605838382 in words is "eighteen billion, six hundred five million, eight hundred thirty-eight thousand, three hundred eighty-two".