9630209864021 has 4 divisors (see below), whose sum is σ = 9630310792032. Its totient is φ = 9630108936012.

The previous prime is 9630209863969. The next prime is 9630209864063. The reversal of 9630209864021 is 1204689020369.

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 9630209864021 - 2¹⁴ = 9630209847637 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 (9630209864081) 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, 50320745 + ... + 50511758.

It is an arithmetic number, because the mean of its divisors is an integer number (2407577698008).

Almost surely, 2^{9630209864021} is an apocalyptic number.

It is an amenable number.

9630209864021 is a deficient number, since it is larger than the sum of its proper divisors (100928011).

9630209864021 is a wasteful number, since it uses less digits than its factorization.

9630209864021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100928010.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 9630209864021 in words is "nine trillion, six hundred thirty billion, two hundred nine million, eight hundred sixty-four thousand, twenty-one".