4886841721 has 2 divisors, whose sum is σ = 4886841722. Its totient is φ = 4886841720.

The previous prime is 4886841703. The next prime is 4886841727. The reversal of 4886841721 is 1271486884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3853926400 + 1032915321 = 62080^2 + 32139^2 .

It is a cyclic number.

It is not a de Polignac number, because 4886841721 - 2⁷ = 4886841593 is a prime.

It is a super-2 number, since 2×4886841721² = 47762444012212483682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4886841727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2443420860 + 2443420861.

It is an arithmetic number, because the mean of its divisors is an integer number (2443420861).

Almost surely, 2^4886841721 is an apocalyptic number.

It is an amenable number.

4886841721 is a deficient number, since it is larger than the sum of its proper divisors (1).

4886841721 is an equidigital number, since it uses as much as digits as its factorization.

4886841721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688128, while the sum is 49.

The square root of 4886841721 is about 69905.9491102152. The cubic root of 4886841721 is about 1696.9775269157.

The spelling of 4886841721 in words is "four billion, eight hundred eighty-six million, eight hundred forty-one thousand, seven hundred twenty-one".