18453724006 has 4 divisors (see below), whose sum is σ = 27680586012. Its totient is φ = 9226862002.

The previous prime is 18453723983. The next prime is 18453724033. The reversal of 18453724006 is 60042735481.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60042735481 = 97 ⋅618997273.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 18453724006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4613431000 + ... + 4613431003.

It is an arithmetic number, because the mean of its divisors is an integer number (6920146503).

Almost surely, 2^18453724006 is an apocalyptic number.

18453724006 is a deficient number, since it is larger than the sum of its proper divisors (9226862006).

18453724006 is an equidigital number, since it uses as much as digits as its factorization.

18453724006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9226862005.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 18453724006 in words is "eighteen billion, four hundred fifty-three million, seven hundred twenty-four thousand, six".