2728813201 has 4 divisors (see below), whose sum is σ = 2736632500. Its totient is φ = 2720993904.

The previous prime is 2728813183. The next prime is 2728813237. The reversal of 2728813201 is 1023188272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2145542400 + 583270801 = 46320^2 + 24151^2 .

It is a cyclic number.

It is not a de Polignac number, because 2728813201 - 2⁹ = 2728812689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2728813271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3909126 + ... + 3909823.

It is an arithmetic number, because the mean of its divisors is an integer number (684158125).

Almost surely, 2^2728813201 is an apocalyptic number.

It is an amenable number.

2728813201 is a deficient number, since it is larger than the sum of its proper divisors (7819299).

2728813201 is an equidigital number, since it uses as much as digits as its factorization.

2728813201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7819298.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 2728813201 is about 52238.0436176547. The cubic root of 2728813201 is about 1397.4124314932.

The spelling of 2728813201 in words is "two billion, seven hundred twenty-eight million, eight hundred thirteen thousand, two hundred one".