7634643240017 has 2 divisors, whose sum is σ = 7634643240018. Its totient is φ = 7634643240016.

The previous prime is 7634643240001. The next prime is 7634643240047. The reversal of 7634643240017 is 7100423464367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7132109701201 + 502533538816 = 2670601^2 + 708896^2 .

It is a cyclic number.

It is not a de Polignac number, because 7634643240017 - 2⁴ = 7634643240001 is a prime.

It is not a weakly prime, because it can be changed into another prime (7634643240047) 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, 3817321620008 + 3817321620009.

It is an arithmetic number, because the mean of its divisors is an integer number (3817321620009).

Almost surely, 2^{7634643240017} is an apocalyptic number.

It is an amenable number.

7634643240017 is a deficient number, since it is larger than the sum of its proper divisors (1).

7634643240017 is an equidigital number, since it uses as much as digits as its factorization.

7634643240017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 47.

The spelling of 7634643240017 in words is "seven trillion, six hundred thirty-four billion, six hundred forty-three million, two hundred forty thousand, seventeen".