18108017339 has 4 divisors (see below), whose sum is σ = 18732431760. Its totient is φ = 17483602920.

The previous prime is 18108017303. The next prime is 18108017359. The reversal of 18108017339 is 93371080181.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93371080181 = 3469 ⋅26915849.

It is a cyclic number.

It is not a de Polignac number, because 18108017339 - 2¹² = 18108013243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18108017296 and 18108017305.

It is not an unprimeable number, because it can be changed into a prime (18108017359) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 312207167 + ... + 312207224.

It is an arithmetic number, because the mean of its divisors is an integer number (4683107940).

Almost surely, 2^18108017339 is an apocalyptic number.

18108017339 is a deficient number, since it is larger than the sum of its proper divisors (624414421).

18108017339 is an equidigital number, since it uses as much as digits as its factorization.

18108017339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624414420.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 18108017339 in words is "eighteen billion, one hundred eight million, seventeen thousand, three hundred thirty-nine".