8300210021 has 4 divisors (see below), whose sum is σ = 8737063200. Its totient is φ = 7863356844.

The previous prime is 8300210003. The next prime is 8300210029. The reversal of 8300210021 is 1200120038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8300210021 - 2²⁶ = 8233101157 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 (8300210029) 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, 218426561 + ... + 218426598.

It is an arithmetic number, because the mean of its divisors is an integer number (2184265800).

Almost surely, 2^8300210021 is an apocalyptic number.

It is an amenable number.

8300210021 is a deficient number, since it is larger than the sum of its proper divisors (436853179).

8300210021 is a wasteful number, since it uses less digits than its factorization.

8300210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436853178.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 8300210021 is about 91105.4884241339. The cubic root of 8300210021 is about 2024.7109293003.

Adding to 8300210021 its reverse (1200120038), we get a palindrome (9500330059).

The spelling of 8300210021 in words is "eight billion, three hundred million, two hundred ten thousand, twenty-one".