12544314463 has 4 divisors (see below), whose sum is σ = 13204541560. Its totient is φ = 11884087368.

The previous prime is 12544314457. The next prime is 12544314473. The reversal of 12544314463 is 36441344521.

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

It is a cyclic number.

It is not a de Polignac number, because 12544314463 - 2¹⁷ = 12544183391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12544314473) 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, 330113520 + ... + 330113557.

It is an arithmetic number, because the mean of its divisors is an integer number (3301135390).

Almost surely, 2^12544314463 is an apocalyptic number.

12544314463 is a deficient number, since it is larger than the sum of its proper divisors (660227097).

12544314463 is an equidigital number, since it uses as much as digits as its factorization.

12544314463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660227096.

The product of its digits is 138240, while the sum is 37.

Adding to 12544314463 its reverse (36441344521), we get a palindrome (48985658984).

The spelling of 12544314463 in words is "twelve billion, five hundred forty-four million, three hundred fourteen thousand, four hundred sixty-three".