413210412221 has 4 divisors (see below), whose sum is σ = 413432450844. Its totient is φ = 412988373600.

The previous prime is 413210412191. The next prime is 413210412239. The reversal of 413210412221 is 122214012314.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137874086596 + 275336325625 = 371314^2 + 524725^2 .

It is a cyclic number.

It is not a de Polignac number, because 413210412221 - 2³⁰ = 412136670397 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 (413210412271) 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, 111016520 + ... + 111020241.

It is an arithmetic number, because the mean of its divisors is an integer number (103358112711).

Almost surely, 2^413210412221 is an apocalyptic number.

It is an amenable number.

413210412221 is a deficient number, since it is larger than the sum of its proper divisors (222038623).

413210412221 is a wasteful number, since it uses less digits than its factorization.

413210412221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222038622.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 413210412221 its reverse (122214012314), we get a palindrome (535424424535).

The spelling of 413210412221 in words is "four hundred thirteen billion, two hundred ten million, four hundred twelve thousand, two hundred twenty-one".