4871685851 has 2 divisors, whose sum is σ = 4871685852. Its totient is φ = 4871685850.

The previous prime is 4871685839. The next prime is 4871685911. The reversal of 4871685851 is 1585861784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4871685851 - 2⁶ = 4871685787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4871685793 and 4871685802.

It is not a weakly prime, because it can be changed into another prime (4871685751) 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 as a sum of consecutive naturals, namely, 2435842925 + 2435842926.

It is an arithmetic number, because the mean of its divisors is an integer number (2435842926).

Almost surely, 2^4871685851 is an apocalyptic number.

4871685851 is a deficient number, since it is larger than the sum of its proper divisors (1).

4871685851 is an equidigital number, since it uses as much as digits as its factorization.

4871685851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2150400, while the sum is 53.

The square root of 4871685851 is about 69797.4630699426. The cubic root of 4871685851 is about 1695.2213957695.

The spelling of 4871685851 in words is "four billion, eight hundred seventy-one million, six hundred eighty-five thousand, eight hundred fifty-one".