229088718729 has 12 divisors (see below), whose sum is σ = 356360229316. Its totient is φ = 140977672992.

The previous prime is 229088718697. The next prime is 229088718737. The reversal of 229088718729 is 927817880922.

229088718729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 155904943104 + 73183775625 = 394848^2 + 270525^2 .

It is not a de Polignac number, because 229088718729 - 2⁵ = 229088718697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229088718329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 979011502 + ... + 979011735.

Almost surely, 2^229088718729 is an apocalyptic number.

It is an amenable number.

229088718729 is a deficient number, since it is larger than the sum of its proper divisors (127271510587).

229088718729 is a wasteful number, since it uses less digits than its factorization.

229088718729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958023256 (or 1958023253 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 63.

The spelling of 229088718729 in words is "two hundred twenty-nine billion, eighty-eight million, seven hundred eighteen thousand, seven hundred twenty-nine".