12738458273 has 4 divisors (see below), whose sum is σ = 12739391280. Its totient is φ = 12737525268.

The previous prime is 12738458233. The next prime is 12738458297. The reversal of 12738458273 is 37285483721.

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.

It is a cyclic number.

It is not a de Polignac number, because 12738458273 - 2¹⁴ = 12738441889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12738458233) 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, 445715 + ... + 473432.

It is an arithmetic number, because the mean of its divisors is an integer number (3184847820).

Almost surely, 2^12738458273 is an apocalyptic number.

It is an amenable number.

12738458273 is a deficient number, since it is larger than the sum of its proper divisors (933007).

12738458273 is an equidigital number, since it uses as much as digits as its factorization.

12738458273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933006.

The product of its digits is 2257920, while the sum is 50.

The spelling of 12738458273 in words is "twelve billion, seven hundred thirty-eight million, four hundred fifty-eight thousand, two hundred seventy-three".