2102604803 has 4 divisors (see below), whose sum is σ = 2264343648. Its totient is φ = 1940865960.

The previous prime is 2102604799. The next prime is 2102604811. The reversal of 2102604803 is 3084062012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102604803 - 2² = 2102604799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102604403) 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, 80869403 + ... + 80869428.

It is an arithmetic number, because the mean of its divisors is an integer number (566085912).

Almost surely, 2^2102604803 is an apocalyptic number.

2102604803 is a deficient number, since it is larger than the sum of its proper divisors (161738845).

2102604803 is a wasteful number, since it uses less digits than its factorization.

2102604803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161738844.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2102604803 is about 45854.1688726336. The cubic root of 2102604803 is about 1281.1084155013.

Adding to 2102604803 its reverse (3084062012), we get a palindrome (5186666815).

The spelling of 2102604803 in words is "two billion, one hundred two million, six hundred four thousand, eight hundred three".