200906585849 has 2 divisors, whose sum is σ = 200906585850. Its totient is φ = 200906585848.

The previous prime is 200906585809. The next prime is 200906585897. The reversal of 200906585849 is 948585609002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187748890000 + 13157695849 = 433300^2 + 114707^2 .

It is a cyclic number.

It is not a de Polignac number, because 200906585849 - 2¹⁶ = 200906520313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200906585794 and 200906585803.

It is not a weakly prime, because it can be changed into another prime (200906585809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100453292924 + 100453292925.

It is an arithmetic number, because the mean of its divisors is an integer number (100453292925).

Almost surely, 2^200906585849 is an apocalyptic number.

It is an amenable number.

200906585849 is a deficient number, since it is larger than the sum of its proper divisors (1).

200906585849 is an equidigital number, since it uses as much as digits as its factorization.

200906585849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 200906585849 in words is "two hundred billion, nine hundred six million, five hundred eighty-five thousand, eight hundred forty-nine".