18479359 has 2 divisors, whose sum is σ = 18479360. Its totient is φ = 18479358.

The previous prime is 18479353. The next prime is 18479387. The reversal of 18479359 is 95397481.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18479359 - 2⁷ = 18479231 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18479353) 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, 9239679 + 9239680.

It is an arithmetic number, because the mean of its divisors is an integer number (9239680).

Almost surely, 2^18479359 is an apocalyptic number.

18479359 is a deficient number, since it is larger than the sum of its proper divisors (1).

18479359 is an equidigital number, since it uses as much as digits as its factorization.

18479359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 18479359 is about 4298.7624963471. The cubic root of 18479359 is about 264.3802248090.

The spelling of 18479359 in words is "eighteen million, four hundred seventy-nine thousand, three hundred fifty-nine".