12734473361 has 4 divisors (see below), whose sum is σ = 12735590400. Its totient is φ = 12733356324.

The previous prime is 12734473343. The next prime is 12734473363. The reversal of 12734473361 is 16337443721.

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 a de Polignac number, because none of the positive numbers 2^k-12734473361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12734473363) 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, 541241 + ... + 564278.

It is an arithmetic number, because the mean of its divisors is an integer number (3183897600).

Almost surely, 2^12734473361 is an apocalyptic number.

It is an amenable number.

12734473361 is a deficient number, since it is larger than the sum of its proper divisors (1117039).

12734473361 is a wasteful number, since it uses less digits than its factorization.

12734473361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117038.

The product of its digits is 254016, while the sum is 41.

The spelling of 12734473361 in words is "twelve billion, seven hundred thirty-four million, four hundred seventy-three thousand, three hundred sixty-one".