13246445243 has 2 divisors, whose sum is σ = 13246445244. Its totient is φ = 13246445242.

The previous prime is 13246445161. The next prime is 13246445257. The reversal of 13246445243 is 34254464231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13246445243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13246445197 and 13246445206.

It is not a weakly prime, because it can be changed into another prime (13246445273) 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 as a sum of consecutive naturals, namely, 6623222621 + 6623222622.

It is an arithmetic number, because the mean of its divisors is an integer number (6623222622).

Almost surely, 2^13246445243 is an apocalyptic number.

13246445243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13246445243 is an equidigital number, since it uses as much as digits as its factorization.

13246445243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 38.

The spelling of 13246445243 in words is "thirteen billion, two hundred forty-six million, four hundred forty-five thousand, two hundred forty-three".