200280469 has 2 divisors, whose sum is σ = 200280470. Its totient is φ = 200280468.

The previous prime is 200280439. The next prime is 200280497. The reversal of 200280469 is 964082002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109307025 + 90973444 = 10455^2 + 9538^2 .

It is a cyclic number.

It is not a de Polignac number, because 200280469 - 2¹⁵ = 200247701 is a prime.

It is a super-4 number, since 4×200280469⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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 200280469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200280439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100140234 + 100140235.

It is an arithmetic number, because the mean of its divisors is an integer number (100140235).

Almost surely, 2^200280469 is an apocalyptic number.

It is an amenable number.

200280469 is a deficient number, since it is larger than the sum of its proper divisors (1).

200280469 is an equidigital number, since it uses as much as digits as its factorization.

200280469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 200280469 is about 14152.0482263169. The cubic root of 200280469 is about 585.0767854015.

The spelling of 200280469 in words is "two hundred million, two hundred eighty thousand, four hundred sixty-nine".