109389361 has 2 divisors, whose sum is σ = 109389362. Its totient is φ = 109389360.

The previous prime is 109389349. The next prime is 109389367. The reversal of 109389361 is 163983901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55219761 + 54169600 = 7431^2 + 7360^2 .

It is a cyclic number.

It is not a de Polignac number, because 109389361 - 2⁷ = 109389233 is a prime.

It is not a weakly prime, because it can be changed into another prime (109389367) 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, 54694680 + 54694681.

It is an arithmetic number, because the mean of its divisors is an integer number (54694681).

Almost surely, 2^109389361 is an apocalyptic number.

It is an amenable number.

109389361 is a deficient number, since it is larger than the sum of its proper divisors (1).

109389361 is an equidigital number, since it uses as much as digits as its factorization.

109389361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 109389361 is about 10458.9368962624. The cubic root of 109389361 is about 478.2537255235.

The spelling of 109389361 in words is "one hundred nine million, three hundred eighty-nine thousand, three hundred sixty-one".