5947705871917 has 2 divisors, whose sum is σ = 5947705871918. Its totient is φ = 5947705871916.

The previous prime is 5947705871911. The next prime is 5947705871963. The reversal of 5947705871917 is 7191785077495.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5276627062281 + 671078809636 = 2297091^2 + 819194^2 .

It is a cyclic number.

It is not a de Polignac number, because 5947705871917 - 2³¹ = 5945558388269 is a prime.

It is a super-2 number, since 2×5947705871917² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5947705871911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2973852935958 + 2973852935959.

It is an arithmetic number, because the mean of its divisors is an integer number (2973852935959).

Almost surely, 2^{5947705871917} is an apocalyptic number.

It is an amenable number.

5947705871917 is a deficient number, since it is larger than the sum of its proper divisors (1).

5947705871917 is an equidigital number, since it uses as much as digits as its factorization.

5947705871917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155584800, while the sum is 70.

The spelling of 5947705871917 in words is "five trillion, nine hundred forty-seven billion, seven hundred five million, eight hundred seventy-one thousand, nine hundred seventeen".