229268769858 has 18 divisors (see below), whose sum is σ = 496753402899. Its totient is φ = 76422246132.

The previous prime is 229268769857. The next prime is 229268769911. The reversal of 229268769858 is 858967862922.

229268769858 is a `hidden beast` number, since 229 + 268 + 7 + 6 + 98 + 58 = 666.

229268769858 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 only one way, i.e., 114634384929 + 114634384929 = 338577^2 + 338577^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338577.

It is not an unprimeable number, because it can be changed into a prime (229268769853) 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 8 ways as a sum of consecutive naturals, for example, 1975033 + ... + 2087891.

Almost surely, 2^229268769858 is an apocalyptic number.

229268769858 is an abundant number, since it is smaller than the sum of its proper divisors (267484633041).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229268769858 is an frugal number, since it uses more digits than its factorization.

229268769858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225726 (or 112864 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 72.

Multiplying 229268769858 by its sum of digits (72), we get a square (16507351429776 = 4062924²).

The spelling of 229268769858 in words is "two hundred twenty-nine billion, two hundred sixty-eight million, seven hundred sixty-nine thousand, eight hundred fifty-eight".