18488942182 has 4 divisors (see below), whose sum is σ = 27733413276. Its totient is φ = 9244471090.

The previous prime is 18488942149. The next prime is 18488942183. The reversal of 18488942182 is 28124988481.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×18488942182² (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 (18488942183) by changing a digit.

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, 4622235544 + ... + 4622235547.

It is an arithmetic number, because the mean of its divisors is an integer number (6933353319).

Almost surely, 2^18488942182 is an apocalyptic number.

18488942182 is a deficient number, since it is larger than the sum of its proper divisors (9244471094).

18488942182 is an equidigital number, since it uses as much as digits as its factorization.

18488942182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9244471093.

The product of its digits is 2359296, while the sum is 55.

The spelling of 18488942182 in words is "eighteen billion, four hundred eighty-eight million, nine hundred forty-two thousand, one hundred eighty-two".