18263079694404 has 120 divisors (see below), whose sum is σ = 48342186525248. Its totient is φ = 6011805458880.

The previous prime is 18263079694397. The next prime is 18263079694439. The reversal of 18263079694404 is 40449697036281.

It is a happy number.

18263079694404 is a `hidden beast` number, since 1 + 8 + 2 + 63 + 0 + 79 + 69 + 440 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7190169 + ... + 9392799.

Almost surely, 2^{18263079694404} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18263079694404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24171093262624).

18263079694404 is an abundant number, since it is smaller than the sum of its proper divisors (30079106830844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18263079694404 is a wasteful number, since it uses less digits than its factorization.

18263079694404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202967 (or 2202956 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 18263079694404 in words is "eighteen trillion, two hundred sixty-three billion, seventy-nine million, six hundred ninety-four thousand, four hundred four".