12468646943 has 4 divisors (see below), whose sum is σ = 12473630928. Its totient is φ = 12463662960.

The previous prime is 12468646921. The next prime is 12468646951. The reversal of 12468646943 is 34964686421.

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 12468646943 - 2²² = 12464452639 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 (12468646543) 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, 2488238 + ... + 2493243.

It is an arithmetic number, because the mean of its divisors is an integer number (3118407732).

Almost surely, 2^12468646943 is an apocalyptic number.

12468646943 is a deficient number, since it is larger than the sum of its proper divisors (4983985).

12468646943 is an equidigital number, since it uses as much as digits as its factorization.

12468646943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983984.

The product of its digits is 5971968, while the sum is 53.

The spelling of 12468646943 in words is "twelve billion, four hundred sixty-eight million, six hundred forty-six thousand, nine hundred forty-three".