244420422013 has 2 divisors, whose sum is σ = 244420422014. Its totient is φ = 244420422012.

The previous prime is 244420421989. The next prime is 244420422083. The reversal of 244420422013 is 310224024442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222838755364 + 21581666649 = 472058^2 + 146907^2 .

It is a cyclic number.

It is not a de Polignac number, because 244420422013 - 2¹³ = 244420413821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244420422083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122210211006 + 122210211007.

It is an arithmetic number, because the mean of its divisors is an integer number (122210211007).

Almost surely, 2^244420422013 is an apocalyptic number.

It is an amenable number.

244420422013 is a deficient number, since it is larger than the sum of its proper divisors (1).

244420422013 is an equidigital number, since it uses as much as digits as its factorization.

244420422013 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 244420422013 its reverse (310224024442), we get a palindrome (554644446455).

The spelling of 244420422013 in words is "two hundred forty-four billion, four hundred twenty million, four hundred twenty-two thousand, thirteen".