2729081223 has 24 divisors (see below), whose sum is σ = 4302020736. Its totient is φ = 1653354000.

The previous prime is 2729081191. The next prime is 2729081227. The reversal of 2729081223 is 3221809272.

2729081223 is a `hidden beast` number, since 272 + 90 + 81 + 223 = 666.

2729081223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2729081223 - 2⁵ = 2729081191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729081227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457486 + ... + 463412.

It is an arithmetic number, because the mean of its divisors is an integer number (179250864).

Almost surely, 2^2729081223 is an apocalyptic number.

2729081223 is a deficient number, since it is larger than the sum of its proper divisors (1572939513).

2729081223 is a wasteful number, since it uses less digits than its factorization.

2729081223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10595 (or 10592 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2729081223 is about 52240.6089455320. The cubic root of 2729081223 is about 1397.4581809314.

The spelling of 2729081223 in words is "two billion, seven hundred twenty-nine million, eighty-one thousand, two hundred twenty-three".