13475843347 has 4 divisors (see below), whose sum is σ = 14185098280. Its totient is φ = 12766588416.

The previous prime is 13475843341. The next prime is 13475843351. The reversal of 13475843347 is 74334857431.

It is a happy number.

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-13475843347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13475843347.

It is not an unprimeable number, because it can be changed into a prime (13475843341) 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, 354627438 + ... + 354627475.

It is an arithmetic number, because the mean of its divisors is an integer number (3546274570).

Almost surely, 2^13475843347 is an apocalyptic number.

13475843347 is a deficient number, since it is larger than the sum of its proper divisors (709254933).

13475843347 is an equidigital number, since it uses as much as digits as its factorization.

13475843347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709254932.

The product of its digits is 3386880, while the sum is 49.

The spelling of 13475843347 in words is "thirteen billion, four hundred seventy-five million, eight hundred forty-three thousand, three hundred forty-seven".