2897032568609 has 2 divisors, whose sum is σ = 2897032568610. Its totient is φ = 2897032568608.

The previous prime is 2897032568579. The next prime is 2897032568611. The reversal of 2897032568609 is 9068652307982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1905305387584 + 991727181025 = 1380328^2 + 995855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2897032568609 is a prime.

Together with 2897032568611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2897032568659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448516284304 + 1448516284305.

It is an arithmetic number, because the mean of its divisors is an integer number (1448516284305).

Almost surely, 2^{2897032568609} is an apocalyptic number.

It is an amenable number.

2897032568609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2897032568609 is an equidigital number, since it uses as much as digits as its factorization.

2897032568609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 2897032568609 in words is "two trillion, eight hundred ninety-seven billion, thirty-two million, five hundred sixty-eight thousand, six hundred nine".