200100449 has 2 divisors, whose sum is σ = 200100450. Its totient is φ = 200100448.

The previous prime is 200100431. The next prime is 200100473. The reversal of 200100449 is 944001002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181090849 + 19009600 = 13457^2 + 4360^2 .

It is a cyclic number.

It is not a de Polignac number, because 200100449 - 2⁸ = 200100193 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200100449.

It is not a weakly prime, because it can be changed into another prime (200100409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100050224 + 100050225.

It is an arithmetic number, because the mean of its divisors is an integer number (100050225).

Almost surely, 2^200100449 is an apocalyptic number.

It is an amenable number.

200100449 is a deficient number, since it is larger than the sum of its proper divisors (1).

200100449 is an equidigital number, since it uses as much as digits as its factorization.

200100449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 200100449 is about 14145.6865863768. The cubic root of 200100449 is about 584.9014361423.

The spelling of 200100449 in words is "two hundred million, one hundred thousand, four hundred forty-nine".