18338673576273 has 32 divisors (see below), whose sum is σ = 25573598311680. Its totient is φ = 11667251312640.

The previous prime is 18338673576193. The next prime is 18338673576317. The reversal of 18338673576273 is 37267537683381.

It is not a de Polignac number, because 18338673576273 - 2¹³ = 18338673568081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18338673576198 and 18338673576207.

It is not an unprimeable number, because it can be changed into a prime (18338673376273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52808515 + ... + 53154647.

It is an arithmetic number, because the mean of its divisors is an integer number (799174947240).

Almost surely, 2^{18338673576273} is an apocalyptic number.

It is an amenable number.

18338673576273 is a deficient number, since it is larger than the sum of its proper divisors (7234924735407).

18338673576273 is a wasteful number, since it uses less digits than its factorization.

18338673576273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347929.

The product of its digits is 640120320, while the sum is 69.

The spelling of 18338673576273 in words is "eighteen trillion, three hundred thirty-eight billion, six hundred seventy-three million, five hundred seventy-six thousand, two hundred seventy-three".