2728135471 has 2 divisors, whose sum is σ = 2728135472. Its totient is φ = 2728135470.

The previous prime is 2728135457. The next prime is 2728135477. The reversal of 2728135471 is 1745318272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2728135471 - 2¹³ = 2728127279 is a prime.

It is a super-3 number, since 3×2728135471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2728135477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364067735 + 1364067736.

It is an arithmetic number, because the mean of its divisors is an integer number (1364067736).

Almost surely, 2^2728135471 is an apocalyptic number.

2728135471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728135471 is an equidigital number, since it uses as much as digits as its factorization.

2728135471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 2728135471 is about 52231.5562758760. The cubic root of 2728135471 is about 1397.2967344638.

The spelling of 2728135471 in words is "two billion, seven hundred twenty-eight million, one hundred thirty-five thousand, four hundred seventy-one".