2104413234421 has 4 divisors (see below), whose sum is σ = 2104428793132. Its totient is φ = 2104397675712.

The previous prime is 2104413234401. The next prime is 2104413234439. The reversal of 2104413234421 is 1244323144012.

It is a happy number.

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 1278652100625 + 825761133796 = 1130775^2 + 908714^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104413234421 - 2²⁹ = 2103876363509 is a prime.

It is a super-2 number, since 2×2104413234421² (a number of 25 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 (2104413234401) 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, 7574676 + ... + 7847581.

It is an arithmetic number, because the mean of its divisors is an integer number (526107198283).

Almost surely, 2^{2104413234421} is an apocalyptic number.

It is an amenable number.

2104413234421 is a deficient number, since it is larger than the sum of its proper divisors (15558711).

2104413234421 is a wasteful number, since it uses less digits than its factorization.

2104413234421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15558710.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 2104413234421 its reverse (1244323144012), we get a palindrome (3348736378433).

The spelling of 2104413234421 in words is "two trillion, one hundred four billion, four hundred thirteen million, two hundred thirty-four thousand, four hundred twenty-one".