8646815041 has 2 divisors, whose sum is σ = 8646815042. Its totient is φ = 8646815040.

The previous prime is 8646814997. The next prime is 8646815069. The reversal of 8646815041 is 1405186468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5731247025 + 2915568016 = 75705^2 + 53996^2 .

It is a cyclic number.

It is not a de Polignac number, because 8646815041 - 2⁹ = 8646814529 is a prime.

It is not a weakly prime, because it can be changed into another prime (8646815071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4323407520 + 4323407521.

It is an arithmetic number, because the mean of its divisors is an integer number (4323407521).

Almost surely, 2^8646815041 is an apocalyptic number.

It is an amenable number.

8646815041 is a deficient number, since it is larger than the sum of its proper divisors (1).

8646815041 is an equidigital number, since it uses as much as digits as its factorization.

8646815041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 8646815041 is about 92988.2521666044. The cubic root of 8646815041 is about 2052.5105107113.

The spelling of 8646815041 in words is "eight billion, six hundred forty-six million, eight hundred fifteen thousand, forty-one".