2104002113 has 4 divisors (see below), whose sum is σ = 2176553940. Its totient is φ = 2031450288.

The previous prime is 2104002091. The next prime is 2104002149. The reversal of 2104002113 is 3112004012.

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 589858369 + 1514143744 = 24287^2 + 38912^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104002113 - 2⁶ = 2104002049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104002163) 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, 36275870 + ... + 36275927.

It is an arithmetic number, because the mean of its divisors is an integer number (544138485).

Almost surely, 2^2104002113 is an apocalyptic number.

It is an amenable number.

2104002113 is a deficient number, since it is larger than the sum of its proper divisors (72551827).

2104002113 is an equidigital number, since it uses as much as digits as its factorization.

2104002113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72551826.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2104002113 is about 45869.4027975076. The cubic root of 2104002113 is about 1281.3921443946.

Adding to 2104002113 its reverse (3112004012), we get a palindrome (5216006125).

The spelling of 2104002113 in words is "two billion, one hundred four million, two thousand, one hundred thirteen".