8448656219 has 4 divisors (see below), whose sum is σ = 8449031280. Its totient is φ = 8448281160.

The previous prime is 8448656213. The next prime is 8448656231. The reversal of 8448656219 is 9126568448.

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 8448656219 - 2²⁴ = 8431879003 is a prime.

It is a super-2 number, since 2×8448656219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8448656213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151424 + ... + 199565.

It is an arithmetic number, because the mean of its divisors is an integer number (2112257820).

Almost surely, 2^8448656219 is an apocalyptic number.

8448656219 is a deficient number, since it is larger than the sum of its proper divisors (375061).

8448656219 is a wasteful number, since it uses less digits than its factorization.

8448656219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375060.

The product of its digits is 3317760, while the sum is 53.

The square root of 8448656219 is about 91916.5720585793. The cubic root of 8448656219 is about 2036.7100806070.

The spelling of 8448656219 in words is "eight billion, four hundred forty-eight million, six hundred fifty-six thousand, two hundred nineteen".