2109669041 has 2 divisors, whose sum is σ = 2109669042. Its totient is φ = 2109669040.

The previous prime is 2109669007. The next prime is 2109669049. The reversal of 2109669041 is 1409669012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1615718416 + 493950625 = 40196^2 + 22225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2109669041 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2109668986 and 2109669004.

It is not a weakly prime, because it can be changed into another prime (2109669049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054834520 + 1054834521.

It is an arithmetic number, because the mean of its divisors is an integer number (1054834521).

Almost surely, 2^2109669041 is an apocalyptic number.

It is an amenable number.

2109669041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2109669041 is an equidigital number, since it uses as much as digits as its factorization.

2109669041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 2109669041 is about 45931.1336785845. The cubic root of 2109669041 is about 1282.5415487099.

The spelling of 2109669041 in words is "two billion, one hundred nine million, six hundred sixty-nine thousand, forty-one".