8453819656 has 16 divisors (see below), whose sum is σ = 15926037840. Its totient is φ = 4206876240.

The previous prime is 8453819639. The next prime is 8453819659. The reversal of 8453819656 is 6569183548.

It is a junction number, because it is equal to n+sod(n) for n = 8453819597 and 8453819606.

It is not an unprimeable number, because it can be changed into a prime (8453819659) 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 3 ways as a sum of consecutive naturals, for example, 2502406 + ... + 2505781.

It is an arithmetic number, because the mean of its divisors is an integer number (995377365).

Almost surely, 2^8453819656 is an apocalyptic number.

It is an amenable number.

8453819656 is a deficient number, since it is larger than the sum of its proper divisors (7472218184).

8453819656 is a wasteful number, since it uses less digits than its factorization.

8453819656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008404 (or 5008400 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 55.

The square root of 8453819656 is about 91944.6553966026. The cubic root of 8453819656 is about 2037.1249111732.

The spelling of 8453819656 in words is "eight billion, four hundred fifty-three million, eight hundred nineteen thousand, six hundred fifty-six".