13123564645 has 8 divisors (see below), whose sum is σ = 16256286720. Its totient is φ = 10160178960.

The previous prime is 13123564607. The next prime is 13123564693. The reversal of 13123564645 is 54646532131.

13123564645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13123564645 - 2⁹ = 13123564133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13123564598 and 13123564607.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42333925 + ... + 42334234.

It is an arithmetic number, because the mean of its divisors is an integer number (2032035840).

Almost surely, 2^13123564645 is an apocalyptic number.

It is an amenable number.

13123564645 is a deficient number, since it is larger than the sum of its proper divisors (3132722075).

13123564645 is an equidigital number, since it uses as much as digits as its factorization.

13123564645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84668195.

The product of its digits is 259200, while the sum is 40.

The spelling of 13123564645 in words is "thirteen billion, one hundred twenty-three million, five hundred sixty-four thousand, six hundred forty-five".