244400244013 has 2 divisors, whose sum is σ = 244400244014. Its totient is φ = 244400244012.

The previous prime is 244400244007. The next prime is 244400244073. The reversal of 244400244013 is 310442004442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223844426884 + 20555817129 = 473122^2 + 143373^2 .

It is a cyclic number.

It is not a de Polignac number, because 244400244013 - 2⁵ = 244400243981 is a prime.

It is a super-2 number, since 2×244400244013² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244400244073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122200122006 + 122200122007.

It is an arithmetic number, because the mean of its divisors is an integer number (122200122007).

Almost surely, 2^244400244013 is an apocalyptic number.

It is an amenable number.

244400244013 is a deficient number, since it is larger than the sum of its proper divisors (1).

244400244013 is an equidigital number, since it uses as much as digits as its factorization.

244400244013 is an odious number, because the sum of its binary digits is odd.

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

Adding to 244400244013 its reverse (310442004442), we get a palindrome (554842248455).

The spelling of 244400244013 in words is "two hundred forty-four billion, four hundred million, two hundred forty-four thousand, thirteen".