200453969 has 2 divisors, whose sum is σ = 200453970. Its totient is φ = 200453968.

The previous prime is 200453963. The next prime is 200453983. The reversal of 200453969 is 969354002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119093569 + 81360400 = 10913^2 + 9020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200453969 is a prime.

It is a super-2 number, since 2×200453969² = 80363587375705922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200453963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100226984 + 100226985.

It is an arithmetic number, because the mean of its divisors is an integer number (100226985).

Almost surely, 2^200453969 is an apocalyptic number.

It is an amenable number.

200453969 is a deficient number, since it is larger than the sum of its proper divisors (1).

200453969 is an equidigital number, since it uses as much as digits as its factorization.

200453969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 200453969 is about 14158.1767540881. The cubic root of 200453969 is about 585.2456844200.

The spelling of 200453969 in words is "two hundred million, four hundred fifty-three thousand, nine hundred sixty-nine".