109435934189 has 2 divisors, whose sum is σ = 109435934190. Its totient is φ = 109435934188.

The previous prime is 109435934183. The next prime is 109435934197. The reversal of 109435934189 is 981439534901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107359764964 + 2076169225 = 327658^2 + 45565^2 .

It is a cyclic number.

It is not a de Polignac number, because 109435934189 - 2³² = 105140966893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109435934183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54717967094 + 54717967095.

It is an arithmetic number, because the mean of its divisors is an integer number (54717967095).

Almost surely, 2^109435934189 is an apocalyptic number.

It is an amenable number.

109435934189 is a deficient number, since it is larger than the sum of its proper divisors (1).

109435934189 is an equidigital number, since it uses as much as digits as its factorization.

109435934189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 109435934189 in words is "one hundred nine billion, four hundred thirty-five million, nine hundred thirty-four thousand, one hundred eighty-nine".