4559698656 has 216 divisors, whose sum is σ = 14291451720. Its totient is φ = 1429788672.

The previous prime is 4559698651. The next prime is 4559698709. The reversal of 4559698656 is 6568969554.

4559698656 is a `hidden beast` number, since 455 + 96 + 98 + 6 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a junction number, because it is equal to n+sod(n) for n = 4559698593 and 4559698602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4559698651) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2246250 + ... + 2248278.

Almost surely, 2^4559698656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4559698656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7145725860).

4559698656 is an abundant number, since it is smaller than the sum of its proper divisors (9731753064).

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

4559698656 is a wasteful number, since it uses less digits than its factorization.

4559698656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088 (or 2051 counting only the distinct ones).

The product of its digits is 69984000, while the sum is 63.

The square root of 4559698656 is about 67525.5407679198. The cubic root of 4559698656 is about 1658.2323391023.

The spelling of 4559698656 in words is "four billion, five hundred fifty-nine million, six hundred ninety-eight thousand, six hundred fifty-six".