21004670008229 has 8 divisors (see below), whose sum is σ = 21900063221760. Its totient is φ = 20120683077936.

The previous prime is 21004670008211. The next prime is 21004670008237. The reversal of 21004670008229 is 92280007640012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21004670008229 - 2¹⁶ = 21004669942693 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 (21004670008129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2851567049 + ... + 2851574414.

It is an arithmetic number, because the mean of its divisors is an integer number (2737507902720).

Almost surely, 2^{21004670008229} is an apocalyptic number.

21004670008229 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

21004670008229 is a deficient number, since it is larger than the sum of its proper divisors (895393213531).

21004670008229 is a wasteful number, since it uses less digits than its factorization.

21004670008229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5703141619.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 21004670008229 in words is "twenty-one trillion, four billion, six hundred seventy million, eight thousand, two hundred twenty-nine".