8564469456 has 20 divisors (see below), whose sum is σ = 22124879552. Its totient is φ = 2854823136.

The previous prime is 8564469421. The next prime is 8564469461. The reversal of 8564469456 is 6549644658.

It is a junction number, because it is equal to n+sod(n) for n = 8564469396 and 8564469405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89213176 + ... + 89213271.

Almost surely, 2^8564469456 is an apocalyptic number.

It is an amenable number.

8564469456 is an abundant number, since it is smaller than the sum of its proper divisors (13560410096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8564469456 is a wasteful number, since it uses less digits than its factorization.

8564469456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178426458 (or 178426452 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 57.

The square root of 8564469456 is about 92544.4188268531. The cubic root of 8564469456 is about 2045.9742096586.

The spelling of 8564469456 in words is "eight billion, five hundred sixty-four million, four hundred sixty-nine thousand, four hundred fifty-six".