2042104213 has 4 divisors (see below), whose sum is σ = 2042697708. Its totient is φ = 2041510720.

The previous prime is 2042104177. The next prime is 2042104217. The reversal of 2042104213 is 3124012402.

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 821510244 + 1220593969 = 28662^2 + 34937^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042104213 - 2²¹ = 2040007061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042104217) 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, 291556 + ... + 298477.

It is an arithmetic number, because the mean of its divisors is an integer number (510674427).

Almost surely, 2^2042104213 is an apocalyptic number.

It is an amenable number.

2042104213 is a deficient number, since it is larger than the sum of its proper divisors (593495).

2042104213 is an equidigital number, since it uses as much as digits as its factorization.

2042104213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593494.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2042104213 is about 45189.6471882665. The cubic root of 2042104213 is about 1268.7010533246.

Adding to 2042104213 its reverse (3124012402), we get a palindrome (5166116615).

The spelling of 2042104213 in words is "two billion, forty-two million, one hundred four thousand, two hundred thirteen".