229035809681 has 16 divisors (see below), whose sum is σ = 276837672960. Its totient is φ = 185102502480.

The previous prime is 229035809671. The next prime is 229035809711. The reversal of 229035809681 is 186908530922.

229035809681 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 229035809681 - 2³⁰ = 227962067857 is a prime.

It is a super-2 number, since 2×229035809681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229035809621) 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 15 ways as a sum of consecutive naturals, for example, 4052681 + ... + 4108806.

It is an arithmetic number, because the mean of its divisors is an integer number (17302354560).

Almost surely, 2^229035809681 is an apocalyptic number.

It is an amenable number.

229035809681 is a deficient number, since it is larger than the sum of its proper divisors (47801863279).

229035809681 is a wasteful number, since it uses less digits than its factorization.

229035809681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8161724.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 229035809681 in words is "two hundred twenty-nine billion, thirty-five million, eight hundred nine thousand, six hundred eighty-one".