444202321313 has 8 divisors (see below), whose sum is σ = 444530930088. Its totient is φ = 443873804544.

The previous prime is 444202321289. The next prime is 444202321327. The reversal of 444202321313 is 313123202444.

It can be written as a sum of positive squares in 4 ways, for example, as 61478210704 + 382724110609 = 247948^2 + 618647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444202321313 - 2⁶ = 444202321249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444202321813) 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, 11803595 + ... + 11841167.

It is an arithmetic number, because the mean of its divisors is an integer number (55566366261).

Almost surely, 2^444202321313 is an apocalyptic number.

It is an amenable number.

444202321313 is a deficient number, since it is larger than the sum of its proper divisors (328608775).

444202321313 is a wasteful number, since it uses less digits than its factorization.

444202321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46003.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 444202321313 its reverse (313123202444), we get a palindrome (757325523757).

The spelling of 444202321313 in words is "four hundred forty-four billion, two hundred two million, three hundred twenty-one thousand, three hundred thirteen".