8442648619 has 8 divisors (see below), whose sum is σ = 8667510768. Its totient is φ = 8218688640.

The previous prime is 8442648611. The next prime is 8442648623. The reversal of 8442648619 is 9168462448.

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 8442648619 - 2³ = 8442648611 is a prime.

It is a super-3 number, since 3×8442648619³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8442648611) 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, 206557 + ... + 244030.

It is an arithmetic number, because the mean of its divisors is an integer number (1083438846).

Almost surely, 2^8442648619 is an apocalyptic number.

8442648619 is a deficient number, since it is larger than the sum of its proper divisors (224862149).

8442648619 is a wasteful number, since it uses less digits than its factorization.

8442648619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451085.

The product of its digits is 2654208, while the sum is 52.

The square root of 8442648619 is about 91883.8866123979. The cubic root of 8442648619 is about 2036.2272171997.

The spelling of 8442648619 in words is "eight billion, four hundred forty-two million, six hundred forty-eight thousand, six hundred nineteen".