13245021443 has 2 divisors, whose sum is σ = 13245021444. Its totient is φ = 13245021442.

The previous prime is 13245021409. The next prime is 13245021463. The reversal of 13245021443 is 34412054231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13245021443 - 2¹² = 13245017347 is a prime.

It is not a weakly prime, because it can be changed into another prime (13245021403) 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, 6622510721 + 6622510722.

It is an arithmetic number, because the mean of its divisors is an integer number (6622510722).

Almost surely, 2^13245021443 is an apocalyptic number.

13245021443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13245021443 is an equidigital number, since it uses as much as digits as its factorization.

13245021443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 13245021443 its reverse (34412054231), we get a palindrome (47657075674).

The spelling of 13245021443 in words is "thirteen billion, two hundred forty-five million, twenty-one thousand, four hundred forty-three".