12734237671761 has 4 divisors (see below), whose sum is σ = 16978983562352. Its totient is φ = 8489491781172.

The previous prime is 12734237671747. The next prime is 12734237671781. The reversal of 12734237671761 is 16717673243721.

It is a happy number.

12734237671761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 12734237671761 - 2⁶ = 12734237671697 is a prime.

It is a super-2 number, since 2×12734237671761² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12734237671711) 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, 2122372945291 + ... + 2122372945296.

It is an arithmetic number, because the mean of its divisors is an integer number (4244745890588).

Almost surely, 2^{12734237671761} is an apocalyptic number.

It is an amenable number.

12734237671761 is a deficient number, since it is larger than the sum of its proper divisors (4244745890591).

12734237671761 is an equidigital number, since it uses as much as digits as its factorization.

12734237671761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244745890590.

The product of its digits is 12446784, while the sum is 57.

The spelling of 12734237671761 in words is "twelve trillion, seven hundred thirty-four billion, two hundred thirty-seven million, six hundred seventy-one thousand, seven hundred sixty-one".