13043433421241 has 2 divisors, whose sum is σ = 13043433421242. Its totient is φ = 13043433421240.

The previous prime is 13043433421219. The next prime is 13043433421243. The reversal of 13043433421241 is 14212433434031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11993781945616 + 1049651475625 = 3463204^2 + 1024525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13043433421241 is a prime.

Together with 13043433421243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13043433421243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6521716710620 + 6521716710621.

It is an arithmetic number, because the mean of its divisors is an integer number (6521716710621).

Almost surely, 2^{13043433421241} is an apocalyptic number.

It is an amenable number.

13043433421241 is a deficient number, since it is larger than the sum of its proper divisors (1).

13043433421241 is an equidigital number, since it uses as much as digits as its factorization.

13043433421241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 13043433421241 its reverse (14212433434031), we get a palindrome (27255866855272).

The spelling of 13043433421241 in words is "thirteen trillion, forty-three billion, four hundred thirty-three million, four hundred twenty-one thousand, two hundred forty-one".