13442415451 has 2 divisors, whose sum is σ = 13442415452. Its totient is φ = 13442415450.

The previous prime is 13442415353. The next prime is 13442415473. The reversal of 13442415451 is 15451424431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13442415451 - 2¹¹ = 13442413403 is a prime.

It is not a weakly prime, because it can be changed into another prime (13442416451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721207725 + 6721207726.

It is an arithmetic number, because the mean of its divisors is an integer number (6721207726).

Almost surely, 2^13442415451 is an apocalyptic number.

13442415451 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442415451 is an equidigital number, since it uses as much as digits as its factorization.

13442415451 is an evil number, because the sum of its binary digits is even.

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

Adding to 13442415451 its reverse (15451424431), we get a palindrome (28893839882).

The spelling of 13442415451 in words is "thirteen billion, four hundred forty-two million, four hundred fifteen thousand, four hundred fifty-one".