2002104413 has 4 divisors (see below), whose sum is σ = 2002640508. Its totient is φ = 2001568320.

The previous prime is 2002104409. The next prime is 2002104457. The reversal of 2002104413 is 3144012002.

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 1446889444 + 555214969 = 38038^2 + 23563^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002104413 - 2² = 2002104409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002104391 and 2002104400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002104463) 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, 262406 + ... + 269927.

It is an arithmetic number, because the mean of its divisors is an integer number (500660127).

Almost surely, 2^2002104413 is an apocalyptic number.

It is an amenable number.

2002104413 is a deficient number, since it is larger than the sum of its proper divisors (536095).

2002104413 is an equidigital number, since it uses as much as digits as its factorization.

2002104413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536094.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2002104413 is about 44744.8814167610. The cubic root of 2002104413 is about 1260.3627940351.

Adding to 2002104413 its reverse (3144012002), we get a palindrome (5146116415).

The spelling of 2002104413 in words is "two billion, two million, one hundred four thousand, four hundred thirteen".