109895813 has 2 divisors, whose sum is σ = 109895814. Its totient is φ = 109895812.

The previous prime is 109895801. The next prime is 109895827. The reversal of 109895813 is 318598901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101263969 + 8631844 = 10063^2 + 2938^2 .

It is a cyclic number.

It is not a de Polignac number, because 109895813 - 2⁶ = 109895749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109895843) 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, 54947906 + 54947907.

It is an arithmetic number, because the mean of its divisors is an integer number (54947907).

Almost surely, 2^109895813 is an apocalyptic number.

It is an amenable number.

109895813 is a deficient number, since it is larger than the sum of its proper divisors (1).

109895813 is an equidigital number, since it uses as much as digits as its factorization.

109895813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 109895813 is about 10483.1203846946. The cubic root of 109895813 is about 478.9906640847.

The spelling of 109895813 in words is "one hundred nine million, eight hundred ninety-five thousand, eight hundred thirteen".