109781363 has 2 divisors, whose sum is σ = 109781364. Its totient is φ = 109781362.

The previous prime is 109781351. The next prime is 109781377. The reversal of 109781363 is 363187901.

It is a weak prime.

It is an emirp because it is prime and its reverse (363187901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109781363 - 2⁶ = 109781299 is a prime.

It is not a weakly prime, because it can be changed into another prime (109781333) 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, 54890681 + 54890682.

It is an arithmetic number, because the mean of its divisors is an integer number (54890682).

Almost surely, 2^109781363 is an apocalyptic number.

109781363 is a deficient number, since it is larger than the sum of its proper divisors (1).

109781363 is an equidigital number, since it uses as much as digits as its factorization.

109781363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 109781363 is about 10477.6601872746. The cubic root of 109781363 is about 478.8243261634.

The spelling of 109781363 in words is "one hundred nine million, seven hundred eighty-one thousand, three hundred sixty-three".