8241734681 has 2 divisors, whose sum is σ = 8241734682. Its totient is φ = 8241734680.

The previous prime is 8241734651. The next prime is 8241734801. The reversal of 8241734681 is 1864371428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8241734656 + 25 = 90784^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 8241734681 - 2¹⁰ = 8241733657 is a prime.

It is a super-2 number, since 2×8241734681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8241734651) 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, 4120867340 + 4120867341.

It is an arithmetic number, because the mean of its divisors is an integer number (4120867341).

Almost surely, 2^8241734681 is an apocalyptic number.

It is an amenable number.

8241734681 is a deficient number, since it is larger than the sum of its proper divisors (1).

8241734681 is an equidigital number, since it uses as much as digits as its factorization.

8241734681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 44.

The square root of 8241734681 is about 90784.0001376895. Note that the first 3 decimals coincide. The cubic root of 8241734681 is about 2019.9449941725.

The spelling of 8241734681 in words is "eight billion, two hundred forty-one million, seven hundred thirty-four thousand, six hundred eighty-one".