13613676623 has 4 divisors (see below), whose sum is σ = 13688890488. Its totient is φ = 13538462760.

The previous prime is 13613676617. The next prime is 13613676631. The reversal of 13613676623 is 32667631631.

It is a happy number.

13613676623 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 is a cyclic number.

It is not a de Polignac number, because 13613676623 - 2²⁰ = 13612628047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13613676673) 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, 37606661 + ... + 37607022.

It is an arithmetic number, because the mean of its divisors is an integer number (3422222622).

Almost surely, 2^13613676623 is an apocalyptic number.

13613676623 is a deficient number, since it is larger than the sum of its proper divisors (75213865).

13613676623 is an equidigital number, since it uses as much as digits as its factorization.

13613676623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75213864.

The product of its digits is 489888, while the sum is 44.

The spelling of 13613676623 in words is "thirteen billion, six hundred thirteen million, six hundred seventy-six thousand, six hundred twenty-three".