13447134047 has 2 divisors, whose sum is σ = 13447134048. Its totient is φ = 13447134046.

The previous prime is 13447133993. The next prime is 13447134049. The reversal of 13447134047 is 74043174431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13447134047 - 2¹⁶ = 13447068511 is a prime.

Together with 13447134049, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13447134047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13447134049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6723567023 + 6723567024.

It is an arithmetic number, because the mean of its divisors is an integer number (6723567024).

Almost surely, 2^13447134047 is an apocalyptic number.

13447134047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13447134047 is an equidigital number, since it uses as much as digits as its factorization.

13447134047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 13447134047 in words is "thirteen billion, four hundred forty-seven million, one hundred thirty-four thousand, forty-seven".