13424433427 has 2 divisors, whose sum is σ = 13424433428. Its totient is φ = 13424433426.

The previous prime is 13424433397. The next prime is 13424433431. The reversal of 13424433427 is 72433442431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13424433427 - 2¹¹ = 13424431379 is a prime.

It is not a weakly prime, because it can be changed into another prime (13424433457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712216713 + 6712216714.

It is an arithmetic number, because the mean of its divisors is an integer number (6712216714).

Almost surely, 2^13424433427 is an apocalyptic number.

13424433427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13424433427 is an equidigital number, since it uses as much as digits as its factorization.

13424433427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 37.

Adding to 13424433427 its reverse (72433442431), we get a palindrome (85857875858).

The spelling of 13424433427 in words is "thirteen billion, four hundred twenty-four million, four hundred thirty-three thousand, four hundred twenty-seven".