13424351251 has 4 divisors (see below), whose sum is σ = 13431008872. Its totient is φ = 13417693632.

The previous prime is 13424351201. The next prime is 13424351267. The reversal of 13424351251 is 15215342431.

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

It is a cyclic number.

It is not a de Polignac number, because 13424351251 - 2⁷ = 13424351123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13424351201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3325785 + ... + 3329818.

It is an arithmetic number, because the mean of its divisors is an integer number (3357752218).

Almost surely, 2^13424351251 is an apocalyptic number.

13424351251 is a deficient number, since it is larger than the sum of its proper divisors (6657621).

13424351251 is an equidigital number, since it uses as much as digits as its factorization.

13424351251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6657620.

The product of its digits is 14400, while the sum is 31.

Adding to 13424351251 its reverse (15215342431), we get a palindrome (28639693682).

The spelling of 13424351251 in words is "thirteen billion, four hundred twenty-four million, three hundred fifty-one thousand, two hundred fifty-one".