8419915385 has 16 divisors (see below), whose sum is σ = 11616466176. Its totient is φ = 5739079488.

The previous prime is 8419915373. The next prime is 8419915391. The reversal of 8419915385 is 5835199148.

It is a happy number.

8419915385 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8419915385 - 2¹² = 8419911289 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714422 + ... + 726111.

It is an arithmetic number, because the mean of its divisors is an integer number (726029136).

Almost surely, 2^8419915385 is an apocalyptic number.

It is an amenable number.

8419915385 is a deficient number, since it is larger than the sum of its proper divisors (3196550791).

8419915385 is a wasteful number, since it uses less digits than its factorization.

8419915385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440712.

The product of its digits is 1555200, while the sum is 53.

The square root of 8419915385 is about 91760.0969103673. The cubic root of 8419915385 is about 2034.3979476570.

The spelling of 8419915385 in words is "eight billion, four hundred nineteen million, nine hundred fifteen thousand, three hundred eighty-five".