109648841 has 2 divisors, whose sum is σ = 109648842. Its totient is φ = 109648840.

The previous prime is 109648817. The next prime is 109648849. The reversal of 109648841 is 148846901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76930441 + 32718400 = 8771^2 + 5720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109648841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109648849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54824420 + 54824421.

It is an arithmetic number, because the mean of its divisors is an integer number (54824421).

Almost surely, 2^109648841 is an apocalyptic number.

It is an amenable number.

109648841 is a deficient number, since it is larger than the sum of its proper divisors (1).

109648841 is an equidigital number, since it uses as much as digits as its factorization.

109648841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 109648841 is about 10471.3342511831. The cubic root of 109648841 is about 478.6315784881.

The spelling of 109648841 in words is "one hundred nine million, six hundred forty-eight thousand, eight hundred forty-one".