2175711047 has 2 divisors, whose sum is σ = 2175711048. Its totient is φ = 2175711046.

The previous prime is 2175711019. The next prime is 2175711073. The reversal of 2175711047 is 7401175712.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2175711047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2175710998 and 2175711016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2175711247) 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, 1087855523 + 1087855524.

It is an arithmetic number, because the mean of its divisors is an integer number (1087855524).

Almost surely, 2^2175711047 is an apocalyptic number.

2175711047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2175711047 is an equidigital number, since it uses as much as digits as its factorization.

2175711047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13720, while the sum is 35.

The square root of 2175711047 is about 46644.5178665189. The cubic root of 2175711047 is about 1295.7873591760.

Adding to 2175711047 its reverse (7401175712), we get a palindrome (9576886759).

The spelling of 2175711047 in words is "two billion, one hundred seventy-five million, seven hundred eleven thousand, forty-seven".