18024108921362 has 4 divisors (see below), whose sum is σ = 27036163382046. Its totient is φ = 9012054460680.

The previous prime is 18024108921337. The next prime is 18024108921373. The reversal of 18024108921362 is 26312980142081.

It is a Cunningham number, because it is equal to 4245481²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18024108921361 + 1 = 4245481^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4506027230339 + ... + 4506027230342.

Almost surely, 2^{18024108921362} is an apocalyptic number.

18024108921362 is a deficient number, since it is larger than the sum of its proper divisors (9012054460684).

18024108921362 is an equidigital number, since it uses as much as digits as its factorization.

18024108921362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9012054460683.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 18024108921362 in words is "eighteen trillion, twenty-four billion, one hundred eight million, nine hundred twenty-one thousand, three hundred sixty-two".