4863556681 has 2 divisors, whose sum is σ = 4863556682. Its totient is φ = 4863556680.

The previous prime is 4863556631. The next prime is 4863556721. The reversal of 4863556681 is 1866553684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4728625225 + 134931456 = 68765^2 + 11616^2 .

It is a cyclic number.

It is not a de Polignac number, because 4863556681 - 2¹⁵ = 4863523913 is a prime.

It is a super-2 number, since 2×4863556681² = 47308367178599471522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4863556631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2431778340 + 2431778341.

It is an arithmetic number, because the mean of its divisors is an integer number (2431778341).

Almost surely, 2^4863556681 is an apocalyptic number.

It is an amenable number.

4863556681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4863556681 is an equidigital number, since it uses as much as digits as its factorization.

4863556681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4147200, while the sum is 52.

The square root of 4863556681 is about 69739.2047631746. The cubic root of 4863556681 is about 1694.2779567796.

The spelling of 4863556681 in words is "four billion, eight hundred sixty-three million, five hundred fifty-six thousand, six hundred eighty-one".