193884344329 has 9 divisors (see below), whose sum is σ = 209951967879. Its totient is φ = 178964880120.

The previous prime is 193884344239. The next prime is 193884344341. The reversal of 193884344329 is 923443488391.

The square root of 193884344329 is 440323.

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., 28681116025 + 165203228304 = 169355^2 + 406452^2 .

It is not a de Polignac number, because 193884344329 - 2²⁷ = 193750126601 is a prime.

It is a super-2 number, since 2×193884344329² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193884345329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5707264 + ... + 5741134.

It is an arithmetic number, because the mean of its divisors is an integer number (23327996431).

Almost surely, 2^193884344329 is an apocalyptic number.

193884344329 is the 440323-rd square number.

193884344329 is the 220162-nd centered octagonal number.

It is an amenable number.

193884344329 is a deficient number, since it is larger than the sum of its proper divisors (16067623550).

193884344329 is an frugal number, since it uses more digits than its factorization.

193884344329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67768 (or 33884 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 58.

The spelling of 193884344329 in words is "one hundred ninety-three billion, eight hundred eighty-four million, three hundred forty-four thousand, three hundred twenty-nine".