229863696512 has 72 divisors (see below), whose sum is σ = 473526483255. Its totient is φ = 111143005440.

The previous prime is 229863696511. The next prime is 229863696539. The reversal of 229863696512 is 215696368922.

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 only one way, i.e., 114931848256 + 114931848256 = 339016^2 + 339016^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=339016.

It is a super-2 number, since 2×229863696512² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229863696511) 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, 168151253 + ... + 168152619.

Almost surely, 2^229863696512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229863696512

229863696512 is an abundant number, since it is smaller than the sum of its proper divisors (243662786743).

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

229863696512 is an frugal number, since it uses more digits than its factorization.

229863696512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810 (or 1400 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 59.

The spelling of 229863696512 in words is "two hundred twenty-nine billion, eight hundred sixty-three million, six hundred ninety-six thousand, five hundred twelve".