229897204789 has 32 divisors (see below), whose sum is σ = 280636545024. Its totient is φ = 184039732800.

The previous prime is 229897204769. The next prime is 229897204841. The reversal of 229897204789 is 987402798922.

It is not a de Polignac number, because 229897204789 - 2¹⁷ = 229897073717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229897204769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37678839 + ... + 37684939.

It is an arithmetic number, because the mean of its divisors is an integer number (8769892032).

Almost surely, 2^229897204789 is an apocalyptic number.

It is an amenable number.

229897204789 is a deficient number, since it is larger than the sum of its proper divisors (50739340235).

229897204789 is a wasteful number, since it uses less digits than its factorization.

229897204789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11617.

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 229897204789 in words is "two hundred twenty-nine billion, eight hundred ninety-seven million, two hundred four thousand, seven hundred eighty-nine".