12448748537 has 4 divisors (see below), whose sum is σ = 12449069556. Its totient is φ = 12448427520.

The previous prime is 12448748527. The next prime is 12448748561. The reversal of 12448748537 is 73584784421.

It is a happy number.

12448748537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73584784421 = 220907 ⋅333103.

It can be written as a sum of positive squares in 2 ways, for example, as 3563612416 + 8885136121 = 59696^2 + 94261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12448748537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12448748527) 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, 92828 + ... + 183069.

It is an arithmetic number, because the mean of its divisors is an integer number (3112267389).

Almost surely, 2^12448748537 is an apocalyptic number.

It is an amenable number.

12448748537 is a deficient number, since it is larger than the sum of its proper divisors (321019).

12448748537 is an equidigital number, since it uses as much as digits as its factorization.

12448748537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321018.

The product of its digits is 6021120, while the sum is 53.

The spelling of 12448748537 in words is "twelve billion, four hundred forty-eight million, seven hundred forty-eight thousand, five hundred thirty-seven".