12743583904871 has 4 divisors (see below), whose sum is σ = 13054403024544. Its totient is φ = 12432764785200.

The previous prime is 12743583904841. The next prime is 12743583904873. The reversal of 12743583904871 is 17840938534721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12743583904871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12743583904873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155409559775 + ... + 155409559856.

It is an arithmetic number, because the mean of its divisors is an integer number (3263600756136).

Almost surely, 2^{12743583904871} is an apocalyptic number.

12743583904871 is a deficient number, since it is larger than the sum of its proper divisors (310819119673).

12743583904871 is an equidigital number, since it uses as much as digits as its factorization.

12743583904871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310819119672.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 12743583904871 in words is "twelve trillion, seven hundred forty-three billion, five hundred eighty-three million, nine hundred four thousand, eight hundred seventy-one".