4871685911 has 2 divisors, whose sum is σ = 4871685912. Its totient is φ = 4871685910.

The previous prime is 4871685851. The next prime is 4871685953. The reversal of 4871685911 is 1195861784.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4871685911 - 2²⁶ = 4804577047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4871685911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4871685961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2435842955 + 2435842956.

It is an arithmetic number, because the mean of its divisors is an integer number (2435842956).

Almost surely, 2^4871685911 is an apocalyptic number.

4871685911 is a deficient number, since it is larger than the sum of its proper divisors (1).

4871685911 is an equidigital number, since it uses as much as digits as its factorization.

4871685911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 50.

The square root of 4871685911 is about 69797.4634997576. The cubic root of 4871685911 is about 1695.2214027290.

The spelling of 4871685911 in words is "four billion, eight hundred seventy-one million, six hundred eighty-five thousand, nine hundred eleven".