109898099 has 2 divisors, whose sum is σ = 109898100. Its totient is φ = 109898098.

The previous prime is 109898057. The next prime is 109898101. The reversal of 109898099 is 990898901.

It is a strong prime.

It is an emirp because it is prime and its reverse (990898901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109898099 is a prime.

Together with 109898101, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109898099.

It is not a weakly prime, because it can be changed into another prime (109892099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54949049 + 54949050.

It is an arithmetic number, because the mean of its divisors is an integer number (54949050).

Almost surely, 2^109898099 is an apocalyptic number.

109898099 is a deficient number, since it is larger than the sum of its proper divisors (1).

109898099 is an equidigital number, since it uses as much as digits as its factorization.

109898099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 53.

The square root of 109898099 is about 10483.2294165491. The cubic root of 109898099 is about 478.9939853063.

The spelling of 109898099 in words is "one hundred nine million, eight hundred ninety-eight thousand, ninety-nine".