13424139321 has 4 divisors (see below), whose sum is σ = 17898852432. Its totient is φ = 8949426212.

The previous prime is 13424139307. The next prime is 13424139373. The reversal of 13424139321 is 12393142431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13424139321 - 2⁹ = 13424138809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13424131321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2237356551 + ... + 2237356556.

It is an arithmetic number, because the mean of its divisors is an integer number (4474713108).

Almost surely, 2^13424139321 is an apocalyptic number.

It is an amenable number.

13424139321 is a deficient number, since it is larger than the sum of its proper divisors (4474713111).

13424139321 is an equidigital number, since it uses as much as digits as its factorization.

13424139321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4474713110.

The product of its digits is 15552, while the sum is 33.

The spelling of 13424139321 in words is "thirteen billion, four hundred twenty-four million, one hundred thirty-nine thousand, three hundred twenty-one".