4686886891 has 2 divisors, whose sum is σ = 4686886892. Its totient is φ = 4686886890.

The previous prime is 4686886811. The next prime is 4686886907. The reversal of 4686886891 is 1986886864.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4686886891 - 2¹⁷ = 4686755819 is a prime.

It is not a weakly prime, because it can be changed into another prime (4686886811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2343443445 + 2343443446.

It is an arithmetic number, because the mean of its divisors is an integer number (2343443446).

Almost surely, 2^4686886891 is an apocalyptic number.

4686886891 is a deficient number, since it is larger than the sum of its proper divisors (1).

4686886891 is an equidigital number, since it uses as much as digits as its factorization.

4686886891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31850496, while the sum is 64.

The square root of 4686886891 is about 68460.8420266651. The cubic root of 4686886891 is about 1673.5094057366.

The spelling of 4686886891 in words is "four billion, six hundred eighty-six million, eight hundred eighty-six thousand, eight hundred ninety-one".