404313004213 has 2 divisors, whose sum is σ = 404313004214. Its totient is φ = 404313004212.

The previous prime is 404313004201. The next prime is 404313004243. The reversal of 404313004213 is 312400313404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 367039682244 + 37273321969 = 605838^2 + 193063^2 .

It is a cyclic number.

It is not a de Polignac number, because 404313004213 - 2⁹ = 404313003701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404313004243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202156502106 + 202156502107.

It is an arithmetic number, because the mean of its divisors is an integer number (202156502107).

Almost surely, 2^404313004213 is an apocalyptic number.

It is an amenable number.

404313004213 is a deficient number, since it is larger than the sum of its proper divisors (1).

404313004213 is an equidigital number, since it uses as much as digits as its factorization.

404313004213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 404313004213 its reverse (312400313404), we get a palindrome (716713317617).

The spelling of 404313004213 in words is "four hundred four billion, three hundred thirteen million, four thousand, two hundred thirteen".