18013339259 has 8 divisors (see below), whose sum is σ = 18645861888. Its totient is φ = 17388483840.

The previous prime is 18013339231. The next prime is 18013339261. The reversal of 18013339259 is 95293331081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18013339259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18013339219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1912022 + ... + 1921419.

It is an arithmetic number, because the mean of its divisors is an integer number (2330732736).

Almost surely, 2^18013339259 is an apocalyptic number.

18013339259 is a deficient number, since it is larger than the sum of its proper divisors (632522629).

18013339259 is a wasteful number, since it uses less digits than its factorization.

18013339259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833605.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 18013339259 in words is "eighteen billion, thirteen million, three hundred thirty-nine thousand, two hundred fifty-nine".