13436481347 has 4 divisors (see below), whose sum is σ = 13899808320. Its totient is φ = 12973154376.

The previous prime is 13436481283. The next prime is 13436481367. The reversal of 13436481347 is 74318463431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13436481347 - 2⁶ = 13436481283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13436481298 and 13436481307.

It is not an unprimeable number, because it can be changed into a prime (13436481367) 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, 231663443 + ... + 231663500.

It is an arithmetic number, because the mean of its divisors is an integer number (3474952080).

Almost surely, 2^13436481347 is an apocalyptic number.

13436481347 is a deficient number, since it is larger than the sum of its proper divisors (463326973).

13436481347 is an equidigital number, since it uses as much as digits as its factorization.

13436481347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463326972.

The product of its digits is 580608, while the sum is 44.

The spelling of 13436481347 in words is "thirteen billion, four hundred thirty-six million, four hundred eighty-one thousand, three hundred forty-seven".