4999793868 has 72 divisors (see below), whose sum is σ = 13281956688. Its totient is φ = 1583826048.

The previous prime is 4999793867. The next prime is 4999793881. The reversal of 4999793868 is 8683979994.

4999793868 is a `hidden beast` number, since 499 + 9 + 79 + 3 + 8 + 68 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4999793796 and 4999793805.

It is not an unprimeable number, because it can be changed into a prime (4999793861) 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 23 ways as a sum of consecutive naturals, for example, 13630 + ... + 100922.

Almost surely, 2^4999793868 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 4999793868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6640978344).

4999793868 is an abundant number, since it is smaller than the sum of its proper divisors (8282162820).

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

4999793868 is a wasteful number, since it uses less digits than its factorization.

4999793868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87383 (or 87378 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 72.

The square root of 4999793868 is about 70709.2205302816. The cubic root of 4999793868 is about 1709.9524476363.

The spelling of 4999793868 in words is "four billion, nine hundred ninety-nine million, seven hundred ninety-three thousand, eight hundred sixty-eight".