8219984973 has 8 divisors (see below), whose sum is σ = 11436500928. Its totient is φ = 5241729504.

The previous prime is 8219984951. The next prime is 8219984977. The reversal of 8219984973 is 3794899128.

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

It is not a de Polignac number, because 8219984973 - 2¹⁶ = 8219919437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8219984977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59565040 + ... + 59565177.

It is an arithmetic number, because the mean of its divisors is an integer number (1429562616).

Almost surely, 2^8219984973 is an apocalyptic number.

It is an amenable number.

8219984973 is a deficient number, since it is larger than the sum of its proper divisors (3216515955).

8219984973 is a wasteful number, since it uses less digits than its factorization.

8219984973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119130243.

The product of its digits is 7838208, while the sum is 60.

The square root of 8219984973 is about 90664.1327813816. The cubic root of 8219984973 is about 2018.1665693451.

The spelling of 8219984973 in words is "eight billion, two hundred nineteen million, nine hundred eighty-four thousand, nine hundred seventy-three".