3091638041 has 2 divisors, whose sum is σ = 3091638042. Its totient is φ = 3091638040.

The previous prime is 3091638031. The next prime is 3091638047. The reversal of 3091638041 is 1408361903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2774655625 + 316982416 = 52675^2 + 17804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3091638041 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 = 3091637992 and 3091638010.

It is not a weakly prime, because it can be changed into another prime (3091638047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1545819020 + 1545819021.

It is an arithmetic number, because the mean of its divisors is an integer number (1545819021).

Almost surely, 2^3091638041 is an apocalyptic number.

It is an amenable number.

3091638041 is a deficient number, since it is larger than the sum of its proper divisors (1).

3091638041 is an equidigital number, since it uses as much as digits as its factorization.

3091638041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3091638041 is about 55602.5003124859. The cubic root of 3091638041 is about 1456.7875262097.

Adding to 3091638041 its reverse (1408361903), we get a palindrome (4499999944).

The spelling of 3091638041 in words is "three billion, ninety-one million, six hundred thirty-eight thousand, forty-one".