18484868041 has 4 divisors (see below), whose sum is σ = 18602606212. Its totient is φ = 18367129872.

The previous prime is 18484868021. The next prime is 18484868063. The reversal of 18484868041 is 14086848481.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2808576016 + 15676292025 = 52996^2 + 125205^2 .

It is a cyclic number.

It is not a de Polignac number, because 18484868041 - 2¹⁷ = 18484736969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18484868041.

It is not an unprimeable number, because it can be changed into a prime (18484868021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 58868850 + ... + 58869163.

It is an arithmetic number, because the mean of its divisors is an integer number (4650651553).

Almost surely, 2^18484868041 is an apocalyptic number.

It is an amenable number.

18484868041 is a deficient number, since it is larger than the sum of its proper divisors (117738171).

18484868041 is a wasteful number, since it uses less digits than its factorization.

18484868041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117738170.

The product of its (nonzero) digits is 1572864, while the sum is 52.

The spelling of 18484868041 in words is "eighteen billion, four hundred eighty-four million, eight hundred sixty-eight thousand, forty-one".