229091389832 has 36 divisors (see below), whose sum is σ = 432241052805. Its totient is φ = 113831573856.

The previous prime is 229091389831. The next prime is 229091389843. The reversal of 229091389832 is 238983190922.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 146776336996 + 82315052836 = 383114^2 + 286906^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338446.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229091389831) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 266695019 + ... + 266695877.

Almost surely, 2^229091389832 is an apocalyptic number.

It is an amenable number.

229091389832 is a deficient number, since it is larger than the sum of its proper divisors (203149662973).

229091389832 is an frugal number, since it uses more digits than its factorization.

229091389832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 56.

The spelling of 229091389832 in words is "two hundred twenty-nine billion, ninety-one million, three hundred eighty-nine thousand, eight hundred thirty-two".