18014420329539 has 16 divisors (see below), whose sum is σ = 24398684418432. Its totient is φ = 11820193152768.

The previous prime is 18014420329531. The next prime is 18014420329553. The reversal of 18014420329539 is 93592302441081.

It is not a de Polignac number, because 18014420329539 - 2³ = 18014420329531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18014420329491 and 18014420329500.

It is not an unprimeable number, because it can be changed into a prime (18014420329531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38297614 + ... + 38765139.

It is an arithmetic number, because the mean of its divisors is an integer number (1524917776152).

Almost surely, 2^{18014420329539} is an apocalyptic number.

18014420329539 is a deficient number, since it is larger than the sum of its proper divisors (6384264088893).

18014420329539 is a wasteful number, since it uses less digits than its factorization.

18014420329539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77063986.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 18014420329539 in words is "eighteen trillion, fourteen billion, four hundred twenty million, three hundred twenty-nine thousand, five hundred thirty-nine".