13608396293 has 4 divisors (see below), whose sum is σ = 13608711948. Its totient is φ = 13608080640.

The previous prime is 13608396289. The next prime is 13608396343. The reversal of 13608396293 is 39269380631.

13608396293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3582980164 + 10025416129 = 59858^2 + 100127^2 .

It is a cyclic number.

It is not a de Polignac number, because 13608396293 - 2² = 13608396289 is a prime.

It is a super-2 number, since 2×13608396293² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13608396253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80546 + ... + 183587.

It is an arithmetic number, because the mean of its divisors is an integer number (3402177987).

Almost surely, 2^13608396293 is an apocalyptic number.

It is an amenable number.

13608396293 is a deficient number, since it is larger than the sum of its proper divisors (315655).

13608396293 is an equidigital number, since it uses as much as digits as its factorization.

13608396293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315654.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The spelling of 13608396293 in words is "thirteen billion, six hundred eight million, three hundred ninety-six thousand, two hundred ninety-three".