2171032547297 has 2 divisors, whose sum is σ = 2171032547298. Its totient is φ = 2171032547296.

The previous prime is 2171032547267. The next prime is 2171032547353. The reversal of 2171032547297 is 7927452301712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1579254675856 + 591777871441 = 1256684^2 + 769271^2 .

It is a cyclic number.

It is not a de Polignac number, because 2171032547297 - 2¹² = 2171032543201 is a prime.

It is not a weakly prime, because it can be changed into another prime (2171032547237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085516273648 + 1085516273649.

It is an arithmetic number, because the mean of its divisors is an integer number (1085516273649).

Almost surely, 2^{2171032547297} is an apocalyptic number.

It is an amenable number.

2171032547297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171032547297 is an equidigital number, since it uses as much as digits as its factorization.

2171032547297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 2171032547297 in words is "two trillion, one hundred seventy-one billion, thirty-two million, five hundred forty-seven thousand, two hundred ninety-seven".