18448521668483 has 4 divisors (see below), whose sum is σ = 19419496493160. Its totient is φ = 17477546843808.

The previous prime is 18448521668471. The next prime is 18448521668509. The reversal of 18448521668483 is 38486612584481.

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

It is a cyclic number.

It is not a de Polignac number, because 18448521668483 - 2⁴⁰ = 17349010040707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18448521668183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485487412310 + ... + 485487412347.

It is an arithmetic number, because the mean of its divisors is an integer number (4854874123290).

Almost surely, 2^{18448521668483} is an apocalyptic number.

18448521668483 is a deficient number, since it is larger than the sum of its proper divisors (970974824677).

18448521668483 is an equidigital number, since it uses as much as digits as its factorization.

18448521668483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970974824676.

The product of its digits is 283115520, while the sum is 68.

The spelling of 18448521668483 in words is "eighteen trillion, four hundred forty-eight billion, five hundred twenty-one million, six hundred sixty-eight thousand, four hundred eighty-three".