2728209695 has 8 divisors (see below), whose sum is σ = 3293456544. Its totient is φ = 2169497824.

The previous prime is 2728209683. The next prime is 2728209703. The reversal of 2728209695 is 5969028272.

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 2728209695 - 2¹⁴ = 2728193311 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, 1632824 + ... + 1634493.

It is an arithmetic number, because the mean of its divisors is an integer number (411682068).

Almost surely, 2^2728209695 is an apocalyptic number.

2728209695 is a deficient number, since it is larger than the sum of its proper divisors (565246849).

2728209695 is a wasteful number, since it uses less digits than its factorization.

2728209695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267489.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 2728209695 is about 52232.2667993645. The cubic root of 2728209695 is about 1397.3094063678.

The spelling of 2728209695 in words is "two billion, seven hundred twenty-eight million, two hundred nine thousand, six hundred ninety-five".