442242411312613 has 2 divisors, whose sum is σ = 442242411312614. Its totient is φ = 442242411312612.

The previous prime is 442242411312601. The next prime is 442242411312719. The reversal of 442242411312613 is 316213114242244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235011904689604 + 207230506623009 = 15330098^2 + 14395503^2 .

It is a cyclic number.

It is not a de Polignac number, because 442242411312613 - 2⁹ = 442242411312101 is a prime.

It is a super-2 number, since 2×442242411312613² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442242411312413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221121205656306 + 221121205656307.

It is an arithmetic number, because the mean of its divisors is an integer number (221121205656307).

Almost surely, 2^{442242411312613} is an apocalyptic number.

It is an amenable number.

442242411312613 is a deficient number, since it is larger than the sum of its proper divisors (1).

442242411312613 is an equidigital number, since it uses as much as digits as its factorization.

442242411312613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 40.

Adding to 442242411312613 its reverse (316213114242244), we get a palindrome (758455525554857).

The spelling of 442242411312613 in words is "four hundred forty-two trillion, two hundred forty-two billion, four hundred eleven million, three hundred twelve thousand, six hundred thirteen".