12774364673 has 4 divisors (see below), whose sum is σ = 14599273920. Its totient is φ = 10949455428.

The previous prime is 12774364661. The next prime is 12774364699. The reversal of 12774364673 is 37646347721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37646347721 = 23 ⋅1636797727.

It is a cyclic number.

It is not a de Polignac number, because 12774364673 - 2¹⁴ = 12774348289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12774664673) 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, 912454613 + ... + 912454626.

It is an arithmetic number, because the mean of its divisors is an integer number (3649818480).

Almost surely, 2^12774364673 is an apocalyptic number.

It is an amenable number.

12774364673 is a deficient number, since it is larger than the sum of its proper divisors (1824909247).

12774364673 is an equidigital number, since it uses as much as digits as its factorization.

12774364673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824909246.

The product of its digits is 3556224, while the sum is 50.

The spelling of 12774364673 in words is "twelve billion, seven hundred seventy-four million, three hundred sixty-four thousand, six hundred seventy-three".