404142412213 has 2 divisors, whose sum is σ = 404142412214. Its totient is φ = 404142412212.

The previous prime is 404142412153. The next prime is 404142412231. The reversal of 404142412213 is 312214241404.

Together with next prime (404142412231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314252178724 + 89890233489 = 560582^2 + 299817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404142412213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404142416213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202071206106 + 202071206107.

It is an arithmetic number, because the mean of its divisors is an integer number (202071206107).

Almost surely, 2^404142412213 is an apocalyptic number.

It is an amenable number.

404142412213 is a deficient number, since it is larger than the sum of its proper divisors (1).

404142412213 is an equidigital number, since it uses as much as digits as its factorization.

404142412213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 404142412213 its reverse (312214241404), we get a palindrome (716356653617).

The spelling of 404142412213 in words is "four hundred four billion, one hundred forty-two million, four hundred twelve thousand, two hundred thirteen".