18453449498 has 16 divisors (see below), whose sum is σ = 30348302400. Its totient is φ = 8345779200.

The previous prime is 18453449489. The next prime is 18453449501. The reversal of 18453449498 is 89494435481.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103143 + ... + 2111898.

It is an arithmetic number, because the mean of its divisors is an integer number (1896768900).

Almost surely, 2^18453449498 is an apocalyptic number.

18453449498 is a deficient number, since it is larger than the sum of its proper divisors (11894852902).

18453449498 is a wasteful number, since it uses less digits than its factorization.

18453449498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215253.

The product of its digits is 19906560, while the sum is 59.

The spelling of 18453449498 in words is "eighteen billion, four hundred fifty-three million, four hundred forty-nine thousand, four hundred ninety-eight".