109196641 has 2 divisors, whose sum is σ = 109196642. Its totient is φ = 109196640.

The previous prime is 109196639. The next prime is 109196699. The reversal of 109196641 is 146691901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75603025 + 33593616 = 8695^2 + 5796^2 .

It is an emirp because it is prime and its reverse (146691901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109196641 - 2¹ = 109196639 is a prime.

Together with 109196639, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109196641.

It is not a weakly prime, because it can be changed into another prime (109196141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54598320 + 54598321.

It is an arithmetic number, because the mean of its divisors is an integer number (54598321).

Almost surely, 2^109196641 is an apocalyptic number.

It is an amenable number.

109196641 is a deficient number, since it is larger than the sum of its proper divisors (1).

109196641 is an equidigital number, since it uses as much as digits as its factorization.

109196641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 109196641 is about 10449.7196613115. The cubic root of 109196641 is about 477.9727011248.

The spelling of 109196641 in words is "one hundred nine million, one hundred ninety-six thousand, six hundred forty-one".