2728560129 has 16 divisors (see below), whose sum is σ = 3856491648. Its totient is φ = 1710079232.

The previous prime is 2728560097. The next prime is 2728560143. The reversal of 2728560129 is 9210658272.

It is not a de Polignac number, because 2728560129 - 2⁵ = 2728560097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2728560199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15079 + ... + 75395.

It is an arithmetic number, because the mean of its divisors is an integer number (241030728).

Almost surely, 2^2728560129 is an apocalyptic number.

It is an amenable number.

2728560129 is a deficient number, since it is larger than the sum of its proper divisors (1127931519).

2728560129 is a wasteful number, since it uses less digits than its factorization.

2728560129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61224.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 2728560129 is about 52235.6212655693. The cubic root of 2728560129 is about 1397.3692311632.

The spelling of 2728560129 in words is "two billion, seven hundred twenty-eight million, five hundred sixty thousand, one hundred twenty-nine".