13451422441 has 2 divisors, whose sum is σ = 13451422442. Its totient is φ = 13451422440.

The previous prime is 13451422417. The next prime is 13451422463. The reversal of 13451422441 is 14422415431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12700388416 + 751034025 = 112696^2 + 27405^2 .

It is an emirp because it is prime and its reverse (14422415431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13451422441 - 2²³ = 13443033833 is a prime.

It is not a weakly prime, because it can be changed into another prime (13451422241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6725711220 + 6725711221.

It is an arithmetic number, because the mean of its divisors is an integer number (6725711221).

Almost surely, 2^13451422441 is an apocalyptic number.

It is an amenable number.

13451422441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13451422441 is an equidigital number, since it uses as much as digits as its factorization.

13451422441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 31.

Adding to 13451422441 its reverse (14422415431), we get a palindrome (27873837872).

The spelling of 13451422441 in words is "thirteen billion, four hundred fifty-one million, four hundred twenty-two thousand, four hundred forty-one".