2728618105 has 8 divisors (see below), whose sum is σ = 3350489472. Its totient is φ = 2132129328.

The previous prime is 2728618093. The next prime is 2728618157. The reversal of 2728618105 is 5018168272.

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

It is a cyclic number.

It is not a de Polignac number, because 2728618105 - 2⁵ = 2728618073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6345409 + ... + 6345838.

It is an arithmetic number, because the mean of its divisors is an integer number (418811184).

Almost surely, 2^2728618105 is an apocalyptic number.

It is an amenable number.

2728618105 is a deficient number, since it is larger than the sum of its proper divisors (621871367).

2728618105 is a wasteful number, since it uses less digits than its factorization.

2728618105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12691295.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 2728618105 is about 52236.1762095964. The cubic root of 2728618105 is about 1397.3791281175.

The spelling of 2728618105 in words is "two billion, seven hundred twenty-eight million, six hundred eighteen thousand, one hundred five".