229664312249 has 4 divisors (see below), whose sum is σ = 230062344564. Its totient is φ = 229266279936.

The previous prime is 229664312243. The next prime is 229664312257. The reversal of 229664312249 is 942213466922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 216592506025 + 13071806224 = 465395^2 + 114332^2 .

It is a cyclic number.

It is not a de Polignac number, because 229664312249 - 2⁸ = 229664311993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229664312197 and 229664312206.

It is not an unprimeable number, because it can be changed into a prime (229664312243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199015292 + ... + 199016445.

It is an arithmetic number, because the mean of its divisors is an integer number (57515586141).

Almost surely, 2^229664312249 is an apocalyptic number.

It is an amenable number.

229664312249 is a deficient number, since it is larger than the sum of its proper divisors (398032315).

229664312249 is an equidigital number, since it uses as much as digits as its factorization.

229664312249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398032314.

The product of its digits is 2239488, while the sum is 50.

The spelling of 229664312249 in words is "two hundred twenty-nine billion, six hundred sixty-four million, three hundred twelve thousand, two hundred forty-nine".