13243167334447 has 4 divisors (see below), whose sum is σ = 13243230863496. Its totient is φ = 13243103805400.

The previous prime is 13243167334429. The next prime is 13243167334457. The reversal of 13243167334447 is 74443376134231.

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 13243167334447 - 2³⁵ = 13208807596079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13243167334394 and 13243167334403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243167334457) 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 3 ways as a sum of consecutive naturals, for example, 31450804 + ... + 31869097.

It is an arithmetic number, because the mean of its divisors is an integer number (3310807715874).

Almost surely, 2^{13243167334447} is an apocalyptic number.

13243167334447 is a deficient number, since it is larger than the sum of its proper divisors (63529049).

13243167334447 is an equidigital number, since it uses as much as digits as its factorization.

13243167334447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63529048.

The product of its digits is 12192768, while the sum is 52.

The spelling of 13243167334447 in words is "thirteen trillion, two hundred forty-three billion, one hundred sixty-seven million, three hundred thirty-four thousand, four hundred forty-seven".