413404422421 has 2 divisors, whose sum is σ = 413404422422. Its totient is φ = 413404422420.

The previous prime is 413404422377. The next prime is 413404422449. The reversal of 413404422421 is 124224404314.

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., 321731721796 + 91672700625 = 567214^2 + 302775^2 .

It is a cyclic number.

It is not a de Polignac number, because 413404422421 - 2³³ = 404814487829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413404402421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206702211210 + 206702211211.

It is an arithmetic number, because the mean of its divisors is an integer number (206702211211).

Almost surely, 2^413404422421 is an apocalyptic number.

It is an amenable number.

413404422421 is a deficient number, since it is larger than the sum of its proper divisors (1).

413404422421 is an equidigital number, since it uses as much as digits as its factorization.

413404422421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 413404422421 its reverse (124224404314), we get a palindrome (537628826735).

The spelling of 413404422421 in words is "four hundred thirteen billion, four hundred four million, four hundred twenty-two thousand, four hundred twenty-one".