12734473345 has 8 divisors (see below), whose sum is σ = 16670583360. Its totient is φ = 9261435120.

The previous prime is 12734473343. The next prime is 12734473363. The reversal of 12734473345 is 54337443721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12734473345 - 2¹ = 12734473343 is a prime.

It is a super-2 number, since 2×12734473345² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12734473343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115767885 + ... + 115767994.

It is an arithmetic number, because the mean of its divisors is an integer number (2083822920).

Almost surely, 2^12734473345 is an apocalyptic number.

It is an amenable number.

12734473345 is a deficient number, since it is larger than the sum of its proper divisors (3936110015).

12734473345 is a wasteful number, since it uses less digits than its factorization.

12734473345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231535895.

The product of its digits is 846720, while the sum is 43.

The spelling of 12734473345 in words is "twelve billion, seven hundred thirty-four million, four hundred seventy-three thousand, three hundred forty-five".