12493472641 has 4 divisors (see below), whose sum is σ = 13454509012. Its totient is φ = 11532436272.

The previous prime is 12493472611. The next prime is 12493472683. The reversal of 12493472641 is 14627439421.

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 8409623616 + 4083849025 = 91704^2 + 63905^2 .

It is a cyclic number.

It is not a de Polignac number, because 12493472641 - 2⁵ = 12493472609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12493472611) 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, 480518166 + ... + 480518191.

It is an arithmetic number, because the mean of its divisors is an integer number (3363627253).

Almost surely, 2^12493472641 is an apocalyptic number.

It is an amenable number.

12493472641 is a deficient number, since it is larger than the sum of its proper divisors (961036371).

12493472641 is an equidigital number, since it uses as much as digits as its factorization.

12493472641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961036370.

The product of its digits is 290304, while the sum is 43.

The spelling of 12493472641 in words is "twelve billion, four hundred ninety-three million, four hundred seventy-two thousand, six hundred forty-one".