18479395433876 has 48 divisors (see below), whose sum is σ = 34896664160400. Its totient is φ = 8511794565120.

The previous prime is 18479395433803. The next prime is 18479395433897. The reversal of 18479395433876 is 67833459397481.

It can be written as a sum of positive squares in 8 ways, for example, as 585852468100 + 17893542965776 = 765410^2 + 4230076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18479395433797 and 18479395433806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69195050 + ... + 69461598.

It is an arithmetic number, because the mean of its divisors is an integer number (727013836675).

Almost surely, 2^{18479395433876} is an apocalyptic number.

It is an amenable number.

18479395433876 is a deficient number, since it is larger than the sum of its proper divisors (16417268726524).

18479395433876 is a wasteful number, since it uses less digits than its factorization.

18479395433876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269244 (or 269242 counting only the distinct ones).

The product of its digits is 3292047360, while the sum is 77.

The spelling of 18479395433876 in words is "eighteen trillion, four hundred seventy-nine billion, three hundred ninety-five million, four hundred thirty-three thousand, eight hundred seventy-six".