18348260479 has 8 divisors (see below), whose sum is σ = 18399549168. Its totient is φ = 18297024000.

The previous prime is 18348260477. The next prime is 18348260503. The reversal of 18348260479 is 97406284381.

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

It is a cyclic number.

It is not a de Polignac number, because 18348260479 - 2¹ = 18348260477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18348260477) 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, 752479 + ... + 776479.

It is an arithmetic number, because the mean of its divisors is an integer number (2299943646).

Almost surely, 2^18348260479 is an apocalyptic number.

18348260479 is a deficient number, since it is larger than the sum of its proper divisors (51288689).

18348260479 is a wasteful number, since it uses less digits than its factorization.

18348260479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26105.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 18348260479 in words is "eighteen billion, three hundred forty-eight million, two hundred sixty thousand, four hundred seventy-nine".