109333909 has 2 divisors, whose sum is σ = 109333910. Its totient is φ = 109333908.

The previous prime is 109333901. The next prime is 109333933. The reversal of 109333909 is 909333901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95121009 + 14212900 = 9753^2 + 3770^2 .

It is a cyclic number.

It is not a de Polignac number, because 109333909 - 2³ = 109333901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109333901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54666954 + 54666955.

It is an arithmetic number, because the mean of its divisors is an integer number (54666955).

Almost surely, 2^109333909 is an apocalyptic number.

It is an amenable number.

109333909 is a deficient number, since it is larger than the sum of its proper divisors (1).

109333909 is an equidigital number, since it uses as much as digits as its factorization.

109333909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19683, while the sum is 37.

The square root of 109333909 is about 10456.2856215771. The cubic root of 109333909 is about 478.1728992353.

The spelling of 109333909 in words is "one hundred nine million, three hundred thirty-three thousand, nine hundred nine".