2728192655 has 8 divisors (see below), whose sum is σ = 3297728592. Its totient is φ = 2166622528.

The previous prime is 2728192639. The next prime is 2728192681. The reversal of 2728192655 is 5562918272.

It is a happy number.

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 2728192655 - 2⁴ = 2728192639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1990697 + ... + 1992066.

It is an arithmetic number, because the mean of its divisors is an integer number (412216074).

Almost surely, 2^2728192655 is an apocalyptic number.

2728192655 is a deficient number, since it is larger than the sum of its proper divisors (569535937).

2728192655 is a wasteful number, since it uses less digits than its factorization.

2728192655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982905.

The product of its digits is 604800, while the sum is 47.

The square root of 2728192655 is about 52232.1036815482. The cubic root of 2728192655 is about 1397.3064972315.

The spelling of 2728192655 in words is "two billion, seven hundred twenty-eight million, one hundred ninety-two thousand, six hundred fifty-five".