2728999999 has 12 divisors (see below), whose sum is σ = 3006385200. Its totient is φ = 2475334400.

The previous prime is 2728999997. The next prime is 2729000047. The reversal of 2728999999 is 9999998272.

It is not a de Polignac number, because 2728999999 - 2¹ = 2728999997 is a prime.

It is a Duffinian number.

2728999999 is a modest number, since divided by 99999 gives 27289 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728999997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29214 + ... + 79444.

It is an arithmetic number, because the mean of its divisors is an integer number (250532100).

Almost surely, 2^2728999999 is an apocalyptic number.

2728999999 is a deficient number, since it is larger than the sum of its proper divisors (277385201).

2728999999 is a wasteful number, since it uses less digits than its factorization.

2728999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50702 (or 50691 counting only the distinct ones).

The product of its digits is 119042784, while the sum is 73.

The square root of 2728999999 is about 52239.8315368647. The cubic root of 2728999999 is about 1397.4443168919. Note that the first 3 decimals are identical.

It can be divided in two parts, 2728 and 999999, that multiplied together give a palindrome (2727997272).

The spelling of 2728999999 in words is "two billion, seven hundred twenty-eight million, nine hundred ninety-nine thousand, nine hundred ninety-nine".