200969939 has 2 divisors, whose sum is σ = 200969940. Its totient is φ = 200969938.

The previous prime is 200969933. The next prime is 200969941. The reversal of 200969939 is 939969002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200969939 is a prime.

Together with 200969941, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 200969893 and 200969902.

It is not a weakly prime, because it can be changed into another prime (200969933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100484969 + 100484970.

It is an arithmetic number, because the mean of its divisors is an integer number (100484970).

Almost surely, 2^200969939 is an apocalyptic number.

200969939 is a deficient number, since it is larger than the sum of its proper divisors (1).

200969939 is an equidigital number, since it uses as much as digits as its factorization.

200969939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236196, while the sum is 47.

The square root of 200969939 is about 14176.3866693879. The cubic root of 200969939 is about 585.7473964370.

The spelling of 200969939 in words is "two hundred million, nine hundred sixty-nine thousand, nine hundred thirty-nine".