2845328529161 has 2 divisors, whose sum is σ = 2845328529162. Its totient is φ = 2845328529160.

The previous prime is 2845328529139. The next prime is 2845328529163. The reversal of 2845328529161 is 1619258235482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2804137797136 + 41190732025 = 1674556^2 + 202955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2845328529161 is a prime.

Together with 2845328529163, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2845328529097 and 2845328529106.

It is not a weakly prime, because it can be changed into another prime (2845328529163) 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, 1422664264580 + 1422664264581.

It is an arithmetic number, because the mean of its divisors is an integer number (1422664264581).

Almost surely, 2^{2845328529161} is an apocalyptic number.

It is an amenable number.

2845328529161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2845328529161 is an equidigital number, since it uses as much as digits as its factorization.

2845328529161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8294400, while the sum is 56.

The spelling of 2845328529161 in words is "two trillion, eight hundred forty-five billion, three hundred twenty-eight million, five hundred twenty-nine thousand, one hundred sixty-one".