13442442303239 has 4 divisors (see below), whose sum is σ = 13464158688840. Its totient is φ = 13420725917640.

The previous prime is 13442442303217. The next prime is 13442442303299. The reversal of 13442442303239 is 93230324424431.

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 13442442303239 - 2⁸ = 13442442302983 is a prime.

It is a super-2 number, since 2×13442442303239² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13442442303239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442442303299) 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, 10858191872 + ... + 10858193109.

It is an arithmetic number, because the mean of its divisors is an integer number (3366039672210).

Almost surely, 2^{13442442303239} is an apocalyptic number.

13442442303239 is a deficient number, since it is larger than the sum of its proper divisors (21716385601).

13442442303239 is an equidigital number, since it uses as much as digits as its factorization.

13442442303239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21716385600.

The product of its (nonzero) digits is 1492992, while the sum is 44.

The spelling of 13442442303239 in words is "thirteen trillion, four hundred forty-two billion, four hundred forty-two million, three hundred three thousand, two hundred thirty-nine".