109090099 has 2 divisors, whose sum is σ = 109090100. Its totient is φ = 109090098.

The previous prime is 109090063. The next prime is 109090109. The reversal of 109090099 is 990090901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109090099 - 2¹¹ = 109088051 is a prime.

It is not a weakly prime, because it can be changed into another prime (109090019) 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, 54545049 + 54545050.

It is an arithmetic number, because the mean of its divisors is an integer number (54545050).

Almost surely, 2^109090099 is an apocalyptic number.

109090099 is a deficient number, since it is larger than the sum of its proper divisors (1).

109090099 is an equidigital number, since it uses as much as digits as its factorization.

109090099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6561, while the sum is 37.

The square root of 109090099 is about 10444.6205771201. The cubic root of 109090099 is about 477.8171995816.

The spelling of 109090099 in words is "one hundred nine million, ninety thousand, ninety-nine".