109105693 has 2 divisors, whose sum is σ = 109105694. Its totient is φ = 109105692.

The previous prime is 109105673. The next prime is 109105729. The reversal of 109105693 is 396501901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108930969 + 174724 = 10437^2 + 418^2 .

It is a cyclic number.

It is not a de Polignac number, because 109105693 - 2²¹ = 107008541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109105673) 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, 54552846 + 54552847.

It is an arithmetic number, because the mean of its divisors is an integer number (54552847).

Almost surely, 2^109105693 is an apocalyptic number.

It is an amenable number.

109105693 is a deficient number, since it is larger than the sum of its proper divisors (1).

109105693 is an equidigital number, since it uses as much as digits as its factorization.

109105693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 109105693 is about 10445.3670591320. The cubic root of 109105693 is about 477.8399658591.

The spelling of 109105693 in words is "one hundred nine million, one hundred five thousand, six hundred ninety-three".