404322513511313 has 4 divisors (see below), whose sum is σ = 404382315694308. Its totient is φ = 404262711328320.

The previous prime is 404322513511223. The next prime is 404322513511379. The reversal of 404322513511313 is 313115315223404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 367777925386369 + 36544588124944 = 19177537^2 + 6045212^2 .

It is a cyclic number.

It is not a de Polignac number, because 404322513511313 - 2⁸ = 404322513511057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404322513591313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29901081356 + ... + 29901094877.

It is an arithmetic number, because the mean of its divisors is an integer number (101095578923577).

Almost surely, 2^{404322513511313} is an apocalyptic number.

It is an amenable number.

404322513511313 is a deficient number, since it is larger than the sum of its proper divisors (59802182995).

404322513511313 is an equidigital number, since it uses as much as digits as its factorization.

404322513511313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59802182994.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 404322513511313 its reverse (313115315223404), we get a palindrome (717437828734717).

The spelling of 404322513511313 in words is "four hundred four trillion, three hundred twenty-two billion, five hundred thirteen million, five hundred eleven thousand, three hundred thirteen".