109909259 has 2 divisors, whose sum is σ = 109909260. Its totient is φ = 109909258.

The previous prime is 109909211. The next prime is 109909297. The reversal of 109909259 is 952909901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109909259 - 2⁸ = 109909003 is a prime.

It is not a weakly prime, because it can be changed into another prime (109902259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54954629 + 54954630.

It is an arithmetic number, because the mean of its divisors is an integer number (54954630).

Almost surely, 2^109909259 is an apocalyptic number.

109909259 is a deficient number, since it is larger than the sum of its proper divisors (1).

109909259 is an equidigital number, since it uses as much as digits as its factorization.

109909259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 44.

The square root of 109909259 is about 10483.7616817629. The cubic root of 109909259 is about 479.0101984832.

The spelling of 109909259 in words is "one hundred nine million, nine hundred nine thousand, two hundred fifty-nine".