4999999859 has 2 divisors, whose sum is σ = 4999999860. Its totient is φ = 4999999858.

The previous prime is 4999999817. The next prime is 4999999861. The reversal of 4999999859 is 9589999994.

4999999859 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4999999859 is a prime.

Together with 4999999861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4999999259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499999929 + 2499999930.

It is an arithmetic number, because the mean of its divisors is an integer number (2499999930).

Almost surely, 2^4999999859 is an apocalyptic number.

4999999859 is a deficient number, since it is larger than the sum of its proper divisors (1).

4999999859 is an equidigital number, since it uses as much as digits as its factorization.

4999999859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 765275040, while the sum is 80.

The square root of 4999999859 is about 70710.6771216342. The cubic root of 4999999859 is about 1709.9759306029.

It can be divided in two parts, 499999985 and 9, that added together give a palindrome (499999994).

The spelling of 4999999859 in words is "four billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, eight hundred fifty-nine".