8614605921 has 8 divisors (see below), whose sum is σ = 11522376384. Its totient is φ = 5724953040.

The previous prime is 8614605917. The next prime is 8614605931. The reversal of 8614605921 is 1295064168.

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

It is not a de Polignac number, because 8614605921 - 2² = 8614605917 is a prime.

It is a super-2 number, since 2×8614605921² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8614605911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4528285 + ... + 4530186.

It is an arithmetic number, because the mean of its divisors is an integer number (1440297048).

Almost surely, 2^8614605921 is an apocalyptic number.

It is an amenable number.

8614605921 is a deficient number, since it is larger than the sum of its proper divisors (2907770463).

8614605921 is a wasteful number, since it uses less digits than its factorization.

8614605921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9058791.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 8614605921 is about 92814.9013951962. The cubic root of 8614605921 is about 2049.9588269343.

The spelling of 8614605921 in words is "eight billion, six hundred fourteen million, six hundred five thousand, nine hundred twenty-one".