2728845613 has 16 divisors (see below), whose sum is σ = 3013460800. Its totient is φ = 2455681536.

The previous prime is 2728845601. The next prime is 2728845617. The reversal of 2728845613 is 3165488272.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2728845613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728845617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68338 + ... + 100636.

It is an arithmetic number, because the mean of its divisors is an integer number (188341300).

Almost surely, 2^2728845613 is an apocalyptic number.

It is an amenable number.

2728845613 is a deficient number, since it is larger than the sum of its proper divisors (284615187).

2728845613 is a wasteful number, since it uses less digits than its factorization.

2728845613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32476.

The product of its digits is 645120, while the sum is 46.

The square root of 2728845613 is about 52238.3538504038. The cubic root of 2728845613 is about 1397.4179641490.

The spelling of 2728845613 in words is "two billion, seven hundred twenty-eight million, eight hundred forty-five thousand, six hundred thirteen".