104689693 has 2 divisors, whose sum is σ = 104689694. Its totient is φ = 104689692.

The previous prime is 104689691. The next prime is 104689729. The reversal of 104689693 is 396986401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76790169 + 27899524 = 8763^2 + 5282^2 .

It is a cyclic number.

It is not a de Polignac number, because 104689693 - 2¹ = 104689691 is a prime.

Together with 104689691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104689691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52344846 + 52344847.

It is an arithmetic number, because the mean of its divisors is an integer number (52344847).

Almost surely, 2^104689693 is an apocalyptic number.

It is an amenable number.

104689693 is a deficient number, since it is larger than the sum of its proper divisors (1).

104689693 is an equidigital number, since it uses as much as digits as its factorization.

104689693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 104689693 is about 10231.7981313159. The cubic root of 104689693 is about 471.3041986788.

The spelling of 104689693 in words is "one hundred four million, six hundred eighty-nine thousand, six hundred ninety-three".