13451245441 has 2 divisors, whose sum is σ = 13451245442. Its totient is φ = 13451245440.

The previous prime is 13451245439. The next prime is 13451245459. The reversal of 13451245441 is 14454215431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7762314816 + 5688930625 = 88104^2 + 75425^2 .

It is a cyclic number.

It is not a de Polignac number, because 13451245441 - 2¹ = 13451245439 is a prime.

Together with 13451245439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13451245397 and 13451245406.

It is not a weakly prime, because it can be changed into another prime (13451245141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6725622720 + 6725622721.

It is an arithmetic number, because the mean of its divisors is an integer number (6725622721).

Almost surely, 2^13451245441 is an apocalyptic number.

It is an amenable number.

13451245441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13451245441 is an equidigital number, since it uses as much as digits as its factorization.

13451245441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 34.

The spelling of 13451245441 in words is "thirteen billion, four hundred fifty-one million, two hundred forty-five thousand, four hundred forty-one".