13424542221351 has 4 divisors (see below), whose sum is σ = 17899389628472. Its totient is φ = 8949694814232.

The previous prime is 13424542221331. The next prime is 13424542221367. The reversal of 13424542221351 is 15312224542431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13424542221351 - 2¹⁸ = 13424541959207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13424542221301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2237423703556 + ... + 2237423703561.

It is an arithmetic number, because the mean of its divisors is an integer number (4474847407118).

Almost surely, 2^{13424542221351} is an apocalyptic number.

13424542221351 is a deficient number, since it is larger than the sum of its proper divisors (4474847407121).

13424542221351 is an equidigital number, since it uses as much as digits as its factorization.

13424542221351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474847407120.

The product of its digits is 230400, while the sum is 39.

Adding to 13424542221351 its reverse (15312224542431), we get a palindrome (28736766763782).

The spelling of 13424542221351 in words is "thirteen trillion, four hundred twenty-four billion, five hundred forty-two million, two hundred twenty-one thousand, three hundred fifty-one".