13947834547 has 8 divisors (see below), whose sum is σ = 14556545280. Its totient is φ = 13339314120.

The previous prime is 13947834497. The next prime is 13947834587. The reversal of 13947834547 is 74543874931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13947834547 - 2²³ = 13939445939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13947834587) 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 in 7 ways as a sum of consecutive naturals, for example, 113904 + ... + 202162.

It is an arithmetic number, because the mean of its divisors is an integer number (1819568160).

Almost surely, 2^13947834547 is an apocalyptic number.

13947834547 is a deficient number, since it is larger than the sum of its proper divisors (608710733).

13947834547 is an equidigital number, since it uses as much as digits as its factorization.

13947834547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95153.

The product of its digits is 10160640, while the sum is 55.

The spelling of 13947834547 in words is "thirteen billion, nine hundred forty-seven million, eight hundred thirty-four thousand, five hundred forty-seven".