13608009794 has 4 divisors (see below), whose sum is σ = 20412014694. Its totient is φ = 6804004896.

The previous prime is 13608009791. The next prime is 13608009797. The reversal of 13608009794 is 49790080631.

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

It is an interprime number because it is at equal distance from previous prime (13608009791) and next prime (13608009797).

It can be written as a sum of positive squares in only one way, i.e., 12715494169 + 892515625 = 112763^2 + 29875^2 .

It is not an unprimeable number, because it can be changed into a prime (13608009791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402002447 + ... + 3402002450.

Almost surely, 2^13608009794 is an apocalyptic number.

13608009794 is a deficient number, since it is larger than the sum of its proper divisors (6804004900).

13608009794 is an equidigital number, since it uses as much as digits as its factorization.

13608009794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6804004899.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 13608009794 in words is "thirteen billion, six hundred eight million, nine thousand, seven hundred ninety-four".