2104403324413 has 8 divisors (see below), whose sum is σ = 2279690449400. Its totient is φ = 1942526143584.

The previous prime is 2104403324389. The next prime is 2104403324431. The reversal of 2104403324413 is 3144233044012.

It can be written as a sum of positive squares in 4 ways, for example, as 699225422809 + 1405177901604 = 836197^2 + 1185402^2 .

It is not a de Polignac number, because 2104403324413 - 2²⁹ = 2103866453501 is a prime.

It is a super-2 number, since 2×2104403324413² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104403324483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478924368 + ... + 478928761.

It is an arithmetic number, because the mean of its divisors is an integer number (284961306175).

Almost surely, 2^{2104403324413} is an apocalyptic number.

It is an amenable number.

2104403324413 is a deficient number, since it is larger than the sum of its proper divisors (175287124987).

2104403324413 is an frugal number, since it uses more digits than its factorization.

2104403324413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957853168 (or 957853142 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 2104403324413 its reverse (3144233044012), we get a palindrome (5248636368425).

The spelling of 2104403324413 in words is "two trillion, one hundred four billion, four hundred three million, three hundred twenty-four thousand, four hundred thirteen".