244255204213 has 8 divisors (see below), whose sum is σ = 259518052440. Its totient is φ = 229887246400.

The previous prime is 244255204181. The next prime is 244255204223. The reversal of 244255204213 is 312402552442.

It can be written as a sum of positive squares in 4 ways, for example, as 2267950129 + 241987254084 = 47623^2 + 491922^2 .

It is not a de Polignac number, because 244255204213 - 2⁵ = 244255204181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244255204223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24853138 + ... + 24862963.

It is an arithmetic number, because the mean of its divisors is an integer number (32439756555).

Almost surely, 2^244255204213 is an apocalyptic number.

It is an amenable number.

244255204213 is a deficient number, since it is larger than the sum of its proper divisors (15262848227).

244255204213 is an frugal number, since it uses more digits than its factorization.

244255204213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49716152 (or 49716118 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 244255204213 its reverse (312402552442), we get a palindrome (556657756655).

The spelling of 244255204213 in words is "two hundred forty-four billion, two hundred fifty-five million, two hundred four thousand, two hundred thirteen".