18468526863 has 16 divisors (see below), whose sum is σ = 25098032736. Its totient is φ = 12075847680.

The previous prime is 18468526849. The next prime is 18468526873. The reversal of 18468526863 is 36862586481.

It is not a de Polignac number, because 18468526863 - 2⁴ = 18468526847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18468526873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477631 + ... + 514847.

It is an arithmetic number, because the mean of its divisors is an integer number (1568627046).

Almost surely, 2^18468526863 is an apocalyptic number.

18468526863 is a deficient number, since it is larger than the sum of its proper divisors (6629505873).

18468526863 is a wasteful number, since it uses less digits than its factorization.

18468526863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40394.

The product of its digits is 13271040, while the sum is 57.

The spelling of 18468526863 in words is "eighteen billion, four hundred sixty-eight million, five hundred twenty-six thousand, eight hundred sixty-three".