18385758382 has 8 divisors (see below), whose sum is σ = 27587300616. Its totient is φ = 9189991512.

The previous prime is 18385758373. The next prime is 18385758389. The reversal of 18385758382 is 28385758381.

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

It is a super-2 number, since 2×18385758382² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18385758389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435873 + ... + 1448620.

It is an arithmetic number, because the mean of its divisors is an integer number (3448412577).

Almost surely, 2^18385758382 is an apocalyptic number.

18385758382 is a deficient number, since it is larger than the sum of its proper divisors (9201542234).

18385758382 is a wasteful number, since it uses less digits than its factorization.

18385758382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887682.

The product of its digits is 12902400, while the sum is 58.

Subtracting 18385758382 from its reverse (28385758381), we obtain a palindrome (9999999999).

The spelling of 18385758382 in words is "eighteen billion, three hundred eighty-five million, seven hundred fifty-eight thousand, three hundred eighty-two".