5168432457217 has 2 divisors, whose sum is σ = 5168432457218. Its totient is φ = 5168432457216.

The previous prime is 5168432457197. The next prime is 5168432457229. The reversal of 5168432457217 is 7127542348615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5044700173681 + 123732283536 = 2246041^2 + 351756^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5168432457217 is a prime.

It is not a weakly prime, because it can be changed into another prime (5168432455217) 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, 2584216228608 + 2584216228609.

It is an arithmetic number, because the mean of its divisors is an integer number (2584216228609).

Almost surely, 2^{5168432457217} is an apocalyptic number.

It is an amenable number.

5168432457217 is a deficient number, since it is larger than the sum of its proper divisors (1).

5168432457217 is an equidigital number, since it uses as much as digits as its factorization.

5168432457217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11289600, while the sum is 55.

The spelling of 5168432457217 in words is "five trillion, one hundred sixty-eight billion, four hundred thirty-two million, four hundred fifty-seven thousand, two hundred seventeen".