18852458868529 has 32 divisors (see below), whose sum is σ = 24685460069760. Its totient is φ = 14105977113600.

The previous prime is 18852458868521. The next prime is 18852458868557. The reversal of 18852458868529 is 92586885425881.

It is a cyclic number.

It is not a de Polignac number, because 18852458868529 - 2³ = 18852458868521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18852458868521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204033342 + ... + 204125719.

It is an arithmetic number, because the mean of its divisors is an integer number (771420627180).

Almost surely, 2^{18852458868529} is an apocalyptic number.

18852458868529 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

18852458868529 is a deficient number, since it is larger than the sum of its proper divisors (5833001201231).

18852458868529 is a wasteful number, since it uses less digits than its factorization.

18852458868529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408159121.

The product of its digits is 3538944000, while the sum is 79.

The spelling of 18852458868529 in words is "eighteen trillion, eight hundred fifty-two billion, four hundred fifty-eight million, eight hundred sixty-eight thousand, five hundred twenty-nine".