4347871982897 has 2 divisors, whose sum is σ = 4347871982898. Its totient is φ = 4347871982896.

The previous prime is 4347871982767. The next prime is 4347871982977. The reversal of 4347871982897 is 7982891787434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3668263003441 + 679608979456 = 1915271^2 + 824384^2 .

It is a cyclic number.

It is not a de Polignac number, because 4347871982897 - 2²⁰ = 4347870934321 is a prime.

It is not a weakly prime, because it can be changed into another prime (4347871982197) 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, 2173935991448 + 2173935991449.

It is an arithmetic number, because the mean of its divisors is an integer number (2173935991449).

Almost surely, 2^{4347871982897} is an apocalyptic number.

It is an amenable number.

4347871982897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4347871982897 is an equidigital number, since it uses as much as digits as its factorization.

4347871982897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1365590016, while the sum is 77.

The spelling of 4347871982897 in words is "four trillion, three hundred forty-seven billion, eight hundred seventy-one million, nine hundred eighty-two thousand, eight hundred ninety-seven".