8048409221 has 4 divisors (see below), whose sum is σ = 8099673132. Its totient is φ = 7997145312.

The previous prime is 8048409209. The next prime is 8048409241. The reversal of 8048409221 is 1229048408.

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 688485121 + 7359924100 = 26239^2 + 85790^2 .

It is a cyclic number.

It is not a de Polignac number, because 8048409221 - 2⁶ = 8048409157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8048409241) 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, 25631720 + ... + 25632033.

It is an arithmetic number, because the mean of its divisors is an integer number (2024918283).

Almost surely, 2^8048409221 is an apocalyptic number.

It is an amenable number.

8048409221 is a deficient number, since it is larger than the sum of its proper divisors (51263911).

8048409221 is a wasteful number, since it uses less digits than its factorization.

8048409221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51263910.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 8048409221 is about 89712.9267218498. The cubic root of 8048409221 is about 2004.0259920062.

The spelling of 8048409221 in words is "eight billion, forty-eight million, four hundred nine thousand, two hundred twenty-one".