110198609 has 2 divisors, whose sum is σ = 110198610. Its totient is φ = 110198608.

The previous prime is 110198563. The next prime is 110198653. The reversal of 110198609 is 906891011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90307009 + 19891600 = 9503^2 + 4460^2 .

It is a cyclic number.

It is not a de Polignac number, because 110198609 - 2²⁰ = 109150033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (110198659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55099304 + 55099305.

It is an arithmetic number, because the mean of its divisors is an integer number (55099305).

Almost surely, 2^110198609 is an apocalyptic number.

It is an amenable number.

110198609 is a deficient number, since it is larger than the sum of its proper divisors (1).

110198609 is an equidigital number, since it uses as much as digits as its factorization.

110198609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 110198609 is about 10497.5525242792. The cubic root of 110198609 is about 479.4301817525.

The spelling of 110198609 in words is "one hundred ten million, one hundred ninety-eight thousand, six hundred nine".