4694945490817 has 2 divisors, whose sum is σ = 4694945490818. Its totient is φ = 4694945490816.

The previous prime is 4694945490779. The next prime is 4694945490919. The reversal of 4694945490817 is 7180945494964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4682878688016 + 12066802801 = 2163996^2 + 109849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4694945490817 is a prime.

It is not a weakly prime, because it can be changed into another prime (4694945490017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2347472745408 + 2347472745409.

It is an arithmetic number, because the mean of its divisors is an integer number (2347472745409).

Almost surely, 2^{4694945490817} is an apocalyptic number.

It is an amenable number.

4694945490817 is a deficient number, since it is larger than the sum of its proper divisors (1).

4694945490817 is an equidigital number, since it uses as much as digits as its factorization.

4694945490817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 313528320, while the sum is 70.

The spelling of 4694945490817 in words is "four trillion, six hundred ninety-four billion, nine hundred forty-five million, four hundred ninety thousand, eight hundred seventeen".