13642344239 has 2 divisors, whose sum is σ = 13642344240. Its totient is φ = 13642344238.

The previous prime is 13642344197. The next prime is 13642344253. The reversal of 13642344239 is 93244324631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13642344239 - 2⁸ = 13642343983 is a prime.

It is a super-2 number, since 2×13642344239² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13642344196 and 13642344205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13642344139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6821172119 + 6821172120.

It is an arithmetic number, because the mean of its divisors is an integer number (6821172120).

Almost surely, 2^13642344239 is an apocalyptic number.

13642344239 is a deficient number, since it is larger than the sum of its proper divisors (1).

13642344239 is an equidigital number, since it uses as much as digits as its factorization.

13642344239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 41.

The spelling of 13642344239 in words is "thirteen billion, six hundred forty-two million, three hundred forty-four thousand, two hundred thirty-nine".