18495288268 has 6 divisors (see below), whose sum is σ = 32366754476. Its totient is φ = 9247644132.

The previous prime is 18495288247. The next prime is 18495288271. The reversal of 18495288268 is 86288259481.

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, 2311911030 + ... + 2311911037.

Almost surely, 2^18495288268 is an apocalyptic number.

It is an amenable number.

18495288268 is a deficient number, since it is larger than the sum of its proper divisors (13871466208).

18495288268 is a wasteful number, since it uses less digits than its factorization.

18495288268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4623822071 (or 4623822069 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 61.

The spelling of 18495288268 in words is "eighteen billion, four hundred ninety-five million, two hundred eighty-eight thousand, two hundred sixty-eight".