18322580379 has 8 divisors (see below), whose sum is σ = 24430799680. Its totient is φ = 12214707336.

The previous prime is 18322580279. The next prime is 18322580407. The reversal of 18322580379 is 97308522381.

It is a happy number.

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

It is not a de Polignac number, because 18322580379 - 2¹⁵ = 18322547611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18322580179) 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, 86124 + ... + 209910.

It is an arithmetic number, because the mean of its divisors is an integer number (3053849960).

Almost surely, 2^18322580379 is an apocalyptic number.

18322580379 is a deficient number, since it is larger than the sum of its proper divisors (6108219301).

18322580379 is a wasteful number, since it uses less digits than its factorization.

18322580379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173129.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 18322580379 in words is "eighteen billion, three hundred twenty-two million, five hundred eighty thousand, three hundred seventy-nine".