13443330204245 has 4 divisors (see below), whose sum is σ = 16131996245100. Its totient is φ = 10754664163392.

The previous prime is 13443330204193. The next prime is 13443330204281. The reversal of 13443330204245 is 54240203334431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4735123969156 + 8708206235089 = 2176034^2 + 2950967^2 .

It is a cyclic number.

It is not a de Polignac number, because 13443330204245 - 2²⁴ = 13443313427029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13443330204199 and 13443330204208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344333020420 + ... + 1344333020429.

It is an arithmetic number, because the mean of its divisors is an integer number (4032999061275).

Almost surely, 2^{13443330204245} is an apocalyptic number.

It is an amenable number.

13443330204245 is a deficient number, since it is larger than the sum of its proper divisors (2688666040855).

13443330204245 is an equidigital number, since it uses as much as digits as its factorization.

13443330204245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688666040854.

The product of its (nonzero) digits is 414720, while the sum is 38.

Adding to 13443330204245 its reverse (54240203334431), we get a palindrome (67683533538676).

The spelling of 13443330204245 in words is "thirteen trillion, four hundred forty-three billion, three hundred thirty million, two hundred four thousand, two hundred forty-five".