2728730013 has 8 divisors (see below), whose sum is σ = 3647381376. Its totient is φ = 1814616000.

The previous prime is 2728730003. The next prime is 2728730021. The reversal of 2728730013 is 3100378272.

2728730013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2728730013 - 2⁹ = 2728729501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728730003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132933 + ... + 1135338.

It is an arithmetic number, because the mean of its divisors is an integer number (455922672).

Almost surely, 2^2728730013 is an apocalyptic number.

It is an amenable number.

2728730013 is a deficient number, since it is larger than the sum of its proper divisors (918651363).

2728730013 is a wasteful number, since it uses less digits than its factorization.

2728730013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268675.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2728730013 is about 52237.2473719663. The cubic root of 2728730013 is about 1397.3982312874.

The spelling of 2728730013 in words is "two billion, seven hundred twenty-eight million, seven hundred thirty thousand, thirteen".