18292104563329 has 3 divisors (see below), whose sum is σ = 18292108840257. Its totient is φ = 18292100286402.

The previous prime is 18292104563197. The next prime is 18292104563363. The reversal of 18292104563329 is 92336540129281.

The square root of 18292104563329 is 4276927.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 18292104563329 - 2⁹ = 18292104562817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18292104563329.

It is not an unprimeable number, because it can be changed into a prime (18292104560329) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2138464 + ... + 6415390.

It is an arithmetic number, because the mean of its divisors is an integer number (6097369613419).

Almost surely, 2^{18292104563329} is an apocalyptic number.

18292104563329 is the 4276927-th square number.

18292104563329 is the 2138464-th centered octagonal number.

It is an amenable number.

18292104563329 is a deficient number, since it is larger than the sum of its proper divisors (4276928).

18292104563329 is an frugal number, since it uses more digits than its factorization.

18292104563329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8553854 (or 4276927 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 18292104563329 in words is "eighteen trillion, two hundred ninety-two billion, one hundred four million, five hundred sixty-three thousand, three hundred twenty-nine".