200044191169 has 3 divisors (see below), whose sum is σ = 200044638433. Its totient is φ = 200043743906.

The previous prime is 200044191161. The next prime is 200044191223. The reversal of 200044191169 is 961191440002.

The square root of 200044191169 is 447263.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 200044191169 - 2³ = 200044191161 is a prime.

It is a super-2 number, since 2×200044191169² (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 (200044191161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 223632 + ... + 670894.

Almost surely, 2^200044191169 is an apocalyptic number.

200044191169 is the 447263-rd square number.

200044191169 is the 223632-nd centered octagonal number.

It is an amenable number.

200044191169 is a deficient number, since it is larger than the sum of its proper divisors (447264).

200044191169 is an frugal number, since it uses more digits than its factorization.

200044191169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894526 (or 447263 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 200044191169 in words is "two hundred billion, forty-four million, one hundred ninety-one thousand, one hundred sixty-nine".