2728647163 has 16 divisors (see below), whose sum is σ = 3052264320. Its totient is φ = 2438474280.

The previous prime is 2728647143. The next prime is 2728647191. The reversal of 2728647163 is 3617468272.

It is not a de Polignac number, because 2728647163 - 2⁹ = 2728646651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2728647143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61156 + ... + 95902.

It is an arithmetic number, because the mean of its divisors is an integer number (190766520).

Almost surely, 2^2728647163 is an apocalyptic number.

2728647163 is a deficient number, since it is larger than the sum of its proper divisors (323617157).

2728647163 is an equidigital number, since it uses as much as digits as its factorization.

2728647163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34839 (or 34817 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 2728647163 is about 52236.4543494292. The cubic root of 2728647163 is about 1397.3840884915.

The spelling of 2728647163 in words is "two billion, seven hundred twenty-eight million, six hundred forty-seven thousand, one hundred sixty-three".