8649432327917 has 2 divisors, whose sum is σ = 8649432327918. Its totient is φ = 8649432327916.

The previous prime is 8649432327839. The next prime is 8649432327937. The reversal of 8649432327917 is 7197232349468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8214609460996 + 434822866921 = 2866114^2 + 659411^2 .

It is a cyclic number.

It is not a de Polignac number, because 8649432327917 - 2¹⁸ = 8649432065773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8649432327937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4324716163958 + 4324716163959.

It is an arithmetic number, because the mean of its divisors is an integer number (4324716163959).

Almost surely, 2^{8649432327917} is an apocalyptic number.

It is an amenable number.

8649432327917 is a deficient number, since it is larger than the sum of its proper divisors (1).

8649432327917 is an equidigital number, since it uses as much as digits as its factorization.

8649432327917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109734912, while the sum is 65.

The spelling of 8649432327917 in words is "eight trillion, six hundred forty-nine billion, four hundred thirty-two million, three hundred twenty-seven thousand, nine hundred seventeen".