442422030013 has 2 divisors, whose sum is σ = 442422030014. Its totient is φ = 442422030012.

The previous prime is 442422029999. The next prime is 442422030067. The reversal of 442422030013 is 310030224244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437784692409 + 4637337604 = 661653^2 + 68098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442422030013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442422030013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442422030073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221211015006 + 221211015007.

It is an arithmetic number, because the mean of its divisors is an integer number (221211015007).

Almost surely, 2^442422030013 is an apocalyptic number.

It is an amenable number.

442422030013 is a deficient number, since it is larger than the sum of its proper divisors (1).

442422030013 is an equidigital number, since it uses as much as digits as its factorization.

442422030013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 442422030013 its reverse (310030224244), we get a palindrome (752452254257).

The spelling of 442422030013 in words is "four hundred forty-two billion, four hundred twenty-two million, thirty thousand, thirteen".