13671471347 has 2 divisors, whose sum is σ = 13671471348. Its totient is φ = 13671471346.

The previous prime is 13671471329. The next prime is 13671471367. The reversal of 13671471347 is 74317417631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13671471347 - 2⁶ = 13671471283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13671471298 and 13671471307.

It is not a weakly prime, because it can be changed into another prime (13671471367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6835735673 + 6835735674.

It is an arithmetic number, because the mean of its divisors is an integer number (6835735674).

Almost surely, 2^13671471347 is an apocalyptic number.

13671471347 is a deficient number, since it is larger than the sum of its proper divisors (1).

13671471347 is an equidigital number, since it uses as much as digits as its factorization.

13671471347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 44.

Adding to 13671471347 its reverse (74317417631), we get a palindrome (87988888978).

The spelling of 13671471347 in words is "thirteen billion, six hundred seventy-one million, four hundred seventy-one thousand, three hundred forty-seven".