13344421043 has 2 divisors, whose sum is σ = 13344421044. Its totient is φ = 13344421042.

The previous prime is 13344421009. The next prime is 13344421067. The reversal of 13344421043 is 34012444331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13344421043 - 2⁸ = 13344420787 is a prime.

It is a super-2 number, since 2×13344421043² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 13344420997 and 13344421015.

It is not a weakly prime, because it can be changed into another prime (13344427043) 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, 6672210521 + 6672210522.

It is an arithmetic number, because the mean of its divisors is an integer number (6672210522).

Almost surely, 2^13344421043 is an apocalyptic number.

13344421043 is a deficient number, since it is larger than the sum of its proper divisors (1).

13344421043 is an equidigital number, since it uses as much as digits as its factorization.

13344421043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13344421043 its reverse (34012444331), we get a palindrome (47356865374).

The spelling of 13344421043 in words is "thirteen billion, three hundred forty-four million, four hundred twenty-one thousand, forty-three".