18286867294 has 4 divisors (see below), whose sum is σ = 27430300944. Its totient is φ = 9143433646.

The previous prime is 18286867267. The next prime is 18286867331. The reversal of 18286867294 is 49276868281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49276868281 = 28817 ⋅1709993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4571716822 + ... + 4571716825.

It is an arithmetic number, because the mean of its divisors is an integer number (6857575236).

Almost surely, 2^18286867294 is an apocalyptic number.

18286867294 is a deficient number, since it is larger than the sum of its proper divisors (9143433650).

18286867294 is an equidigital number, since it uses as much as digits as its factorization.

18286867294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9143433649.

The product of its digits is 18579456, while the sum is 61.

The spelling of 18286867294 in words is "eighteen billion, two hundred eighty-six million, eight hundred sixty-seven thousand, two hundred ninety-four".