413443202421 has 4 divisors (see below), whose sum is σ = 551257603232. Its totient is φ = 275628801612.

The previous prime is 413443202413. The next prime is 413443202479. The reversal of 413443202421 is 124202344314.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 413443202421 - 2³ = 413443202413 is a prime.

It is a super-2 number, since 2×413443202421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413443202021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68907200401 + ... + 68907200406.

It is an arithmetic number, because the mean of its divisors is an integer number (137814400808).

Almost surely, 2^413443202421 is an apocalyptic number.

It is an amenable number.

413443202421 is a deficient number, since it is larger than the sum of its proper divisors (137814400811).

413443202421 is a wasteful number, since it uses less digits than its factorization.

413443202421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137814400810.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 413443202421 its reverse (124202344314), we get a palindrome (537645546735).

The spelling of 413443202421 in words is "four hundred thirteen billion, four hundred forty-three million, two hundred two thousand, four hundred twenty-one".