18810484244481 has 8 divisors (see below), whose sum is σ = 25097444490240. Its totient is φ = 12531923414192.

The previous prime is 18810484244459. The next prime is 18810484244483. The reversal of 18810484244481 is 18444248401881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18810484244481 - 2¹³ = 18810484236289 is a prime.

It is a super-2 number, since 2×18810484244481² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18810484244483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2099848641 + ... + 2099857598.

It is an arithmetic number, because the mean of its divisors is an integer number (3137180561280).

Almost surely, 2^{18810484244481} is an apocalyptic number.

It is an amenable number.

18810484244481 is a deficient number, since it is larger than the sum of its proper divisors (6286960245759).

18810484244481 is a wasteful number, since it uses less digits than its factorization.

18810484244481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199707735.

The product of its (nonzero) digits is 8388608, while the sum is 57.

The spelling of 18810484244481 in words is "eighteen trillion, eight hundred ten billion, four hundred eighty-four million, two hundred forty-four thousand, four hundred eighty-one".