229984507489 has 9 divisors (see below), whose sum is σ = 252798686931. Its totient is φ = 209072029320.

The previous prime is 229984507481. The next prime is 229984507507. The reversal of 229984507489 is 984705489922.

The square root of 229984507489 is 479567.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1779574225 + 228204933264 = 42185^2 + 477708^2 .

It is not a de Polignac number, because 229984507489 - 2³ = 229984507481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229984507481) 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, 5253439 + ... + 5297035.

Almost surely, 2^229984507489 is an apocalyptic number.

229984507489 is the 479567-th square number.

229984507489 is the 239784-th centered octagonal number.

It is an amenable number.

229984507489 is a deficient number, since it is larger than the sum of its proper divisors (22814179442).

229984507489 is an frugal number, since it uses more digits than its factorization.

229984507489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87216 (or 43608 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 67.

The spelling of 229984507489 in words is "two hundred twenty-nine billion, nine hundred eighty-four million, five hundred seven thousand, four hundred eighty-nine".