223464319330729 has 27 divisors (see below), whose sum is σ = 230689427538661. Its totient is φ = 216462292631360.

The previous prime is 223464319330717. The next prime is 223464319330787. The reversal of 223464319330729 is 927033913464322.

The square root of 223464319330729 is 14948723.

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

It can be written as a sum of positive squares in 4 ways, for example, as 158257079320729 + 65207240010000 = 12580027^2 + 8075100^2 .

It is not a de Polignac number, because 223464319330729 - 2⁷ = 223464319330601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223464319330709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 91321747584 + ... + 91321750030.

Almost surely, 2^{223464319330729} is an apocalyptic number.

223464319330729 is the 14948723-rd square number.

223464319330729 is the 7474362-nd centered octagonal number.

It is an amenable number.

223464319330729 is a deficient number, since it is larger than the sum of its proper divisors (7225108207932).

223464319330729 is an frugal number, since it uses more digits than its factorization.

223464319330729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 58.

The spelling of 223464319330729 in words is "two hundred twenty-three trillion, four hundred sixty-four billion, three hundred nineteen million, three hundred thirty thousand, seven hundred twenty-nine".