4882687981 has 2 divisors, whose sum is σ = 4882687982. Its totient is φ = 4882687980.

The previous prime is 4882687961. The next prime is 4882687987. The reversal of 4882687981 is 1897862884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3907375081 + 975312900 = 62509^2 + 31230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4882687981 is a prime.

It is a super-2 number, since 2×4882687981² = 47681283839603712722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4882687987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2441343990 + 2441343991.

It is an arithmetic number, because the mean of its divisors is an integer number (2441343991).

Almost surely, 2^4882687981 is an apocalyptic number.

It is an amenable number.

4882687981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4882687981 is an equidigital number, since it uses as much as digits as its factorization.

4882687981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12386304, while the sum is 61.

The square root of 4882687981 is about 69876.2333057528. The cubic root of 4882687981 is about 1696.4965890624.

The spelling of 4882687981 in words is "four billion, eight hundred eighty-two million, six hundred eighty-seven thousand, nine hundred eighty-one".