413001004021 has 4 divisors (see below), whose sum is σ = 413118437452. Its totient is φ = 412883570592.

The previous prime is 413001004001. The next prime is 413001004081. The reversal of 413001004021 is 120400100314.

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 373028999121 + 39972004900 = 610761^2 + 199930^2 .

It is a cyclic number.

It is not a de Polignac number, because 413001004021 - 2¹⁹ = 413000479733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 413001003986 and 413001004004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413001004001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58711440 + ... + 58718473.

It is an arithmetic number, because the mean of its divisors is an integer number (103279609363).

Almost surely, 2^413001004021 is an apocalyptic number.

It is an amenable number.

413001004021 is a deficient number, since it is larger than the sum of its proper divisors (117433431).

413001004021 is a wasteful number, since it uses less digits than its factorization.

413001004021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117433430.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 413001004021 its reverse (120400100314), we get a palindrome (533401104335).

The spelling of 413001004021 in words is "four hundred thirteen billion, one million, four thousand, twenty-one".