13453649347 has 4 divisors (see below), whose sum is σ = 13917568320. Its totient is φ = 12989730376.

The previous prime is 13453649323. The next prime is 13453649353. The reversal of 13453649347 is 74394635431.

13453649347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13453649347 - 2²³ = 13445260739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13453649347.

It is not an unprimeable number, because it can be changed into a prime (13453643347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231959443 + ... + 231959500.

It is an arithmetic number, because the mean of its divisors is an integer number (3479392080).

Almost surely, 2^13453649347 is an apocalyptic number.

13453649347 is a deficient number, since it is larger than the sum of its proper divisors (463918973).

13453649347 is an equidigital number, since it uses as much as digits as its factorization.

13453649347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463918972.

The product of its digits is 3265920, while the sum is 49.

The spelling of 13453649347 in words is "thirteen billion, four hundred fifty-three million, six hundred forty-nine thousand, three hundred forty-seven".