442664503013 has 2 divisors, whose sum is σ = 442664503014. Its totient is φ = 442664503012.

The previous prime is 442664502979. The next prime is 442664503031. The reversal of 442664503013 is 310305466244.

Together with next prime (442664503031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285533128609 + 157131374404 = 534353^2 + 396398^2 .

It is a cyclic number.

It is not a de Polignac number, because 442664503013 - 2¹⁸ = 442664240869 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442664503063) 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, 221332251506 + 221332251507.

It is an arithmetic number, because the mean of its divisors is an integer number (221332251507).

Almost surely, 2^442664503013 is an apocalyptic number.

It is an amenable number.

442664503013 is a deficient number, since it is larger than the sum of its proper divisors (1).

442664503013 is an equidigital number, since it uses as much as digits as its factorization.

442664503013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 442664503013 its reverse (310305466244), we get a palindrome (752969969257).

The spelling of 442664503013 in words is "four hundred forty-two billion, six hundred sixty-four million, five hundred three thousand, thirteen".