13113645422 has 4 divisors (see below), whose sum is σ = 19670468136. Its totient is φ = 6556822710.

The previous prime is 13113645421. The next prime is 13113645427. The reversal of 13113645422 is 22454631131.

13113645422 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, and also an emirpimes, since its reverse is a distinct semiprime: 22454631131 = 5557 ⋅4040783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113645421) 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 as a sum of consecutive naturals, namely, 3278411354 + ... + 3278411357.

It is an arithmetic number, because the mean of its divisors is an integer number (4917617034).

Almost surely, 2^13113645422 is an apocalyptic number.

13113645422 is a deficient number, since it is larger than the sum of its proper divisors (6556822714).

13113645422 is an equidigital number, since it uses as much as digits as its factorization.

13113645422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556822713.

The product of its digits is 17280, while the sum is 32.

The spelling of 13113645422 in words is "thirteen billion, one hundred thirteen million, six hundred forty-five thousand, four hundred twenty-two".