12446934791 has 4 divisors (see below), whose sum is σ = 12783338472. Its totient is φ = 12110531112.

The previous prime is 12446934779. The next prime is 12446934853. The reversal of 12446934791 is 19743964421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19743964421 = 691 ⋅28573031.

It is a cyclic number.

It is not a de Polignac number, because 12446934791 - 2¹⁰ = 12446933767 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 (12446934091) 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, 168201785 + ... + 168201858.

It is an arithmetic number, because the mean of its divisors is an integer number (3195834618).

Almost surely, 2^12446934791 is an apocalyptic number.

12446934791 is a deficient number, since it is larger than the sum of its proper divisors (336403681).

12446934791 is an equidigital number, since it uses as much as digits as its factorization.

12446934791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336403680.

The product of its digits is 1306368, while the sum is 50.

The spelling of 12446934791 in words is "twelve billion, four hundred forty-six million, nine hundred thirty-four thousand, seven hundred ninety-one".