108613693 has 2 divisors, whose sum is σ = 108613694. Its totient is φ = 108613692.

The previous prime is 108613691. The next prime is 108613721. The reversal of 108613693 is 396316801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102353689 + 6260004 = 10117^2 + 2502^2 .

It is a cyclic number.

It is not a de Polignac number, because 108613693 - 2¹ = 108613691 is a prime.

Together with 108613691, 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 (108613691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54306846 + 54306847.

It is an arithmetic number, because the mean of its divisors is an integer number (54306847).

Almost surely, 2^108613693 is an apocalyptic number.

It is an amenable number.

108613693 is a deficient number, since it is larger than the sum of its proper divisors (1).

108613693 is an equidigital number, since it uses as much as digits as its factorization.

108613693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 108613693 is about 10421.7893377289. The cubic root of 108613693 is about 477.1206281039.

The spelling of 108613693 in words is "one hundred eight million, six hundred thirteen thousand, six hundred ninety-three".