2195673841 has 2 divisors, whose sum is σ = 2195673842. Its totient is φ = 2195673840.

The previous prime is 2195673829. The next prime is 2195673847. The reversal of 2195673841 is 1483765912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1252876816 + 942797025 = 35396^2 + 30705^2 .

It is a cyclic number.

It is not a de Polignac number, because 2195673841 - 2²¹ = 2193576689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2195673791 and 2195673800.

It is not a weakly prime, because it can be changed into another prime (2195673847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097836920 + 1097836921.

It is an arithmetic number, because the mean of its divisors is an integer number (1097836921).

Almost surely, 2^2195673841 is an apocalyptic number.

It is an amenable number.

2195673841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195673841 is an equidigital number, since it uses as much as digits as its factorization.

2195673841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 2195673841 is about 46858.0178944863. The cubic root of 2195673841 is about 1299.7383775300.

The spelling of 2195673841 in words is "two billion, one hundred ninety-five million, six hundred seventy-three thousand, eight hundred forty-one".