413004404021 has 4 divisors (see below), whose sum is σ = 450550258944. Its totient is φ = 375458549100.

The previous prime is 413004404011. The next prime is 413004404101. The reversal of 413004404021 is 120404400314.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 413004404021 - 2⁶ = 413004403957 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 (413004404011) 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, 18772927445 + ... + 18772927466.

It is an arithmetic number, because the mean of its divisors is an integer number (112637564736).

Almost surely, 2^413004404021 is an apocalyptic number.

It is an amenable number.

413004404021 is a deficient number, since it is larger than the sum of its proper divisors (37545854923).

413004404021 is a wasteful number, since it uses less digits than its factorization.

413004404021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37545854922.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 413004404021 its reverse (120404400314), we get a palindrome (533408804335).

The spelling of 413004404021 in words is "four hundred thirteen billion, four million, four hundred four thousand, twenty-one".