200440969 has 2 divisors, whose sum is σ = 200440970. Its totient is φ = 200440968.

The previous prime is 200440967. The next prime is 200440993. The reversal of 200440969 is 969044002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194965369 + 5475600 = 13963^2 + 2340^2 .

It is a cyclic number.

It is not a de Polignac number, because 200440969 - 2¹ = 200440967 is a prime.

It is a super-2 number, since 2×200440969² = 80353164107317922, which contains 22 as substring.

Together with 200440967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (200440963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100220484 + 100220485.

It is an arithmetic number, because the mean of its divisors is an integer number (100220485).

Almost surely, 2^200440969 is an apocalyptic number.

It is an amenable number.

200440969 is a deficient number, since it is larger than the sum of its proper divisors (1).

200440969 is an equidigital number, since it uses as much as digits as its factorization.

200440969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 200440969 is about 14157.7176479827. The cubic root of 200440969 is about 585.2330325405.

The spelling of 200440969 in words is "two hundred million, four hundred forty thousand, nine hundred sixty-nine".