200232782909 has 4 divisors (see below), whose sum is σ = 207137361660. Its totient is φ = 193328204160.

The previous prime is 200232782891. The next prime is 200232782929. The reversal of 200232782909 is 909287232002.

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 168814156900 + 31418626009 = 410870^2 + 177253^2 .

It is a cyclic number.

It is not a de Polignac number, because 200232782909 - 2⁸ = 200232782653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200232782909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200232782929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3452289332 + ... + 3452289389.

It is an arithmetic number, because the mean of its divisors is an integer number (51784340415).

Almost surely, 2^200232782909 is an apocalyptic number.

200232782909 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

200232782909 is a deficient number, since it is larger than the sum of its proper divisors (6904578751).

200232782909 is an equidigital number, since it uses as much as digits as its factorization.

200232782909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6904578750.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 200232782909 in words is "two hundred billion, two hundred thirty-two million, seven hundred eighty-two thousand, nine hundred nine".