2728135499 has 2 divisors, whose sum is σ = 2728135500. Its totient is φ = 2728135498.

The previous prime is 2728135489. The next prime is 2728135511. The reversal of 2728135499 is 9945318272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2728135499 - 2⁸ = 2728135243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2728135489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364067749 + 1364067750.

It is an arithmetic number, because the mean of its divisors is an integer number (1364067750).

Almost surely, 2^2728135499 is an apocalyptic number.

2728135499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728135499 is an equidigital number, since it uses as much as digits as its factorization.

2728135499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 2728135499 is about 52231.5565439132. The cubic root of 2728135499 is about 1397.2967392442.

The spelling of 2728135499 in words is "two billion, seven hundred twenty-eight million, one hundred thirty-five thousand, four hundred ninety-nine".