12441813673 has 4 divisors (see below), whose sum is σ = 12443418820. Its totient is φ = 12440208528.

The previous prime is 12441813661. The next prime is 12441813701. The reversal of 12441813673 is 37631814421.

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 2949793344 + 9492020329 = 54312^2 + 97427^2 .

It is a cyclic number.

It is not a de Polignac number, because 12441813673 - 2⁵ = 12441813641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12441813173) 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, 790890 + ... + 806467.

It is an arithmetic number, because the mean of its divisors is an integer number (3110854705).

Almost surely, 2^12441813673 is an apocalyptic number.

It is an amenable number.

12441813673 is a deficient number, since it is larger than the sum of its proper divisors (1605147).

12441813673 is an equidigital number, since it uses as much as digits as its factorization.

12441813673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605146.

The product of its digits is 96768, while the sum is 40.

The spelling of 12441813673 in words is "twelve billion, four hundred forty-one million, eight hundred thirteen thousand, six hundred seventy-three".