209052246043 has 2 divisors, whose sum is σ = 209052246044. Its totient is φ = 209052246042.

The previous prime is 209052246041. The next prime is 209052246113. The reversal of 209052246043 is 340642250902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 209052246043 - 2¹ = 209052246041 is a prime.

Together with 209052246041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 209052245993 and 209052246011.

It is not a weakly prime, because it can be changed into another prime (209052246041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104526123021 + 104526123022.

It is an arithmetic number, because the mean of its divisors is an integer number (104526123022).

Almost surely, 2^209052246043 is an apocalyptic number.

209052246043 is a deficient number, since it is larger than the sum of its proper divisors (1).

209052246043 is an equidigital number, since it uses as much as digits as its factorization.

209052246043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 209052246043 its reverse (340642250902), we get a palindrome (549694496945).

The spelling of 209052246043 in words is "two hundred nine billion, fifty-two million, two hundred forty-six thousand, forty-three".