109696109 has 2 divisors, whose sum is σ = 109696110. Its totient is φ = 109696108.

The previous prime is 109696091. The next prime is 109696129. The reversal of 109696109 is 901696901.

Together with previous prime (109696091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85470025 + 24226084 = 9245^2 + 4922^2 .

It is a cyclic number.

It is not a de Polignac number, because 109696109 - 2⁸ = 109695853 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109696129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54848054 + 54848055.

It is an arithmetic number, because the mean of its divisors is an integer number (54848055).

Almost surely, 2^109696109 is an apocalyptic number.

It is an amenable number.

109696109 is a deficient number, since it is larger than the sum of its proper divisors (1).

109696109 is an equidigital number, since it uses as much as digits as its factorization.

109696109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 109696109 is about 10473.5910269592. The cubic root of 109696109 is about 478.7003456150.

The spelling of 109696109 in words is "one hundred nine million, six hundred ninety-six thousand, one hundred nine".