109419913 has 2 divisors, whose sum is σ = 109419914. Its totient is φ = 109419912.

The previous prime is 109419883. The next prime is 109419941. The reversal of 109419913 is 319914901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100160064 + 9259849 = 10008^2 + 3043^2 .

It is an emirp because it is prime and its reverse (319914901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109419913 - 2⁵ = 109419881 is a prime.

It is not a weakly prime, because it can be changed into another prime (109419943) 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, 54709956 + 54709957.

It is an arithmetic number, because the mean of its divisors is an integer number (54709957).

Almost surely, 2^109419913 is an apocalyptic number.

It is an amenable number.

109419913 is a deficient number, since it is larger than the sum of its proper divisors (1).

109419913 is an equidigital number, since it uses as much as digits as its factorization.

109419913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 109419913 is about 10460.3973633892. The cubic root of 109419913 is about 478.2982461472.

The spelling of 109419913 in words is "one hundred nine million, four hundred nineteen thousand, nine hundred thirteen".