4861688831 has 2 divisors, whose sum is σ = 4861688832. Its totient is φ = 4861688830.

The previous prime is 4861688809. The next prime is 4861688851. The reversal of 4861688831 is 1388861684.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4861688831 - 2¹⁰ = 4861687807 is a prime.

It is a super-2 number, since 2×4861688831² = 47272036578940293122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4861688851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2430844415 + 2430844416.

It is an arithmetic number, because the mean of its divisors is an integer number (2430844416).

Almost surely, 2^4861688831 is an apocalyptic number.

4861688831 is a deficient number, since it is larger than the sum of its proper divisors (1).

4861688831 is an equidigital number, since it uses as much as digits as its factorization.

4861688831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1769472, while the sum is 53.

The square root of 4861688831 is about 69725.8117987880. The cubic root of 4861688831 is about 1694.0610330682.

The spelling of 4861688831 in words is "four billion, eight hundred sixty-one million, six hundred eighty-eight thousand, eight hundred thirty-one".