413043430421 has 2 divisors, whose sum is σ = 413043430422. Its totient is φ = 413043430420.

The previous prime is 413043430243. The next prime is 413043430427. The reversal of 413043430421 is 124034340314.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316952110225 + 96091320196 = 562985^2 + 309986^2 .

It is a cyclic number.

It is not a de Polignac number, because 413043430421 - 2³⁰ = 411969688597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413043430427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206521715210 + 206521715211.

It is an arithmetic number, because the mean of its divisors is an integer number (206521715211).

Almost surely, 2^413043430421 is an apocalyptic number.

It is an amenable number.

413043430421 is a deficient number, since it is larger than the sum of its proper divisors (1).

413043430421 is an equidigital number, since it uses as much as digits as its factorization.

413043430421 is an evil number, because the sum of its binary digits is even.

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

Adding to 413043430421 its reverse (124034340314), we get a palindrome (537077770735).

The spelling of 413043430421 in words is "four hundred thirteen billion, forty-three million, four hundred thirty thousand, four hundred twenty-one".