196849280329 has 9 divisors (see below), whose sum is σ = 213162567093. Its totient is φ = 181701703872.

The previous prime is 196849280321. The next prime is 196849280389. The reversal of 196849280329 is 923082948691.

The square root of 196849280329 is 443677.

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 104099796025 + 92749484304 = 322645^2 + 304548^2 .

It is not a de Polignac number, because 196849280329 - 2³ = 196849280321 is a prime.

It is a super-3 number, since 3×196849280329³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196849280321) 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, 5750737 + ... + 5784865.

It is an arithmetic number, because the mean of its divisors is an integer number (23684729677).

Almost surely, 2^196849280329 is an apocalyptic number.

196849280329 is the 443677-th square number.

196849280329 is the 221839-th centered octagonal number.

It is an amenable number.

196849280329 is a deficient number, since it is larger than the sum of its proper divisors (16313286764).

196849280329 is an frugal number, since it uses more digits than its factorization.

196849280329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68284 (or 34142 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 61.

The spelling of 196849280329 in words is "one hundred ninety-six billion, eight hundred forty-nine million, two hundred eighty thousand, three hundred twenty-nine".