200196989 has 2 divisors, whose sum is σ = 200196990. Its totient is φ = 200196988.

The previous prime is 200196967. The next prime is 200197003. The reversal of 200196989 is 989691002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188156089 + 12040900 = 13717^2 + 3470^2 .

It is a cyclic number.

It is not a de Polignac number, because 200196989 - 2¹² = 200192893 is a prime.

It is a super-2 number, since 2×200196989² = 80157668809332242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200196289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100098494 + 100098495.

It is an arithmetic number, because the mean of its divisors is an integer number (100098495).

Almost surely, 2^200196989 is an apocalyptic number.

It is an amenable number.

200196989 is a deficient number, since it is larger than the sum of its proper divisors (1).

200196989 is an equidigital number, since it uses as much as digits as its factorization.

200196989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 200196989 is about 14149.0985225208. The cubic root of 200196989 is about 584.9954844174.

The spelling of 200196989 in words is "two hundred million, one hundred ninety-six thousand, nine hundred eighty-nine".