42442404013 has 2 divisors, whose sum is σ = 42442404014. Its totient is φ = 42442404012.

The previous prime is 42442404007. The next prime is 42442404047. The reversal of 42442404013 is 31040424424.

42442404013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41813297289 + 629106724 = 204483^2 + 25082^2 .

It is a cyclic number.

It is not a de Polignac number, because 42442404013 - 2⁵ = 42442403981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42442404073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21221202006 + 21221202007.

It is an arithmetic number, because the mean of its divisors is an integer number (21221202007).

Almost surely, 2^42442404013 is an apocalyptic number.

It is an amenable number.

42442404013 is a deficient number, since it is larger than the sum of its proper divisors (1).

42442404013 is an equidigital number, since it uses as much as digits as its factorization.

42442404013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 42442404013 its reverse (31040424424), we get a palindrome (73482828437).

The spelling of 42442404013 in words is "forty-two billion, four hundred forty-two million, four hundred four thousand, thirteen".