12648471383 has 4 divisors (see below), whose sum is σ = 12739467720. Its totient is φ = 12557475048.

The previous prime is 12648471373. The next prime is 12648471413. The reversal of 12648471383 is 38317484621.

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 12648471383 - 2¹² = 12648467287 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 (12648471313) 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, 45497960 + ... + 45498237.

It is an arithmetic number, because the mean of its divisors is an integer number (3184866930).

Almost surely, 2^12648471383 is an apocalyptic number.

12648471383 is a deficient number, since it is larger than the sum of its proper divisors (90996337).

12648471383 is an equidigital number, since it uses as much as digits as its factorization.

12648471383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90996336.

The product of its digits is 774144, while the sum is 47.

The spelling of 12648471383 in words is "twelve billion, six hundred forty-eight million, four hundred seventy-one thousand, three hundred eighty-three".