413234403221 has 4 divisors (see below), whose sum is σ = 413441332812. Its totient is φ = 413027473632.

The previous prime is 413234403151. The next prime is 413234403233. The reversal of 413234403221 is 122304432314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122304432314 = 2 ⋅61152216157.

It can be written as a sum of positive squares in 2 ways, for example, as 136337439121 + 276896964100 = 369239^2 + 526210^2 .

It is a cyclic number.

It is not a de Polignac number, because 413234403221 - 2¹⁴ = 413234386837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413234403521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103461800 + ... + 103465793.

It is an arithmetic number, because the mean of its divisors is an integer number (103360333203).

Almost surely, 2^413234403221 is an apocalyptic number.

It is an amenable number.

413234403221 is a deficient number, since it is larger than the sum of its proper divisors (206929591).

413234403221 is a wasteful number, since it uses less digits than its factorization.

413234403221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206929590.

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

Adding to 413234403221 its reverse (122304432314), we get a palindrome (535538835535).

The spelling of 413234403221 in words is "four hundred thirteen billion, two hundred thirty-four million, four hundred three thousand, two hundred twenty-one".