4659749856 has 120 divisors (see below), whose sum is σ = 13733657784. Its totient is φ = 1549912320.

The previous prime is 4659749839. The next prime is 4659749863. The reversal of 4659749856 is 6589479564.

4659749856 is a `hidden beast` number, since 4 + 6 + 5 + 97 + 498 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4659749793 and 4659749802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1400611 + ... + 1403933.

Almost surely, 2^4659749856 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 4659749856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6866828892).

4659749856 is an abundant number, since it is smaller than the sum of its proper divisors (9073907928).

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

4659749856 is a wasteful number, since it uses less digits than its factorization.

4659749856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886 (or 3869 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The square root of 4659749856 is about 68262.3604631425. The cubic root of 4659749856 is about 1670.2732835901.

The spelling of 4659749856 in words is "four billion, six hundred fifty-nine million, seven hundred forty-nine thousand, eight hundred fifty-six".