2728813271 has 2 divisors, whose sum is σ = 2728813272. Its totient is φ = 2728813270.

The previous prime is 2728813249. The next prime is 2728813273. The reversal of 2728813271 is 1723188272.

2728813271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2728813271 - 2¹⁴ = 2728796887 is a prime.

It is a Sophie Germain prime.

Together with 2728813273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2728813273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364406635 + 1364406636.

It is an arithmetic number, because the mean of its divisors is an integer number (1364406636).

Almost surely, 2^2728813271 is an apocalyptic number.

2728813271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728813271 is an equidigital number, since it uses as much as digits as its factorization.

2728813271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 41.

The square root of 2728813271 is about 52238.0442876645. The cubic root of 2728813271 is about 1397.4124434421.

The spelling of 2728813271 in words is "two billion, seven hundred twenty-eight million, eight hundred thirteen thousand, two hundred seventy-one".