13845628813 has 4 divisors (see below), whose sum is σ = 13951320768. Its totient is φ = 13739936860.

The previous prime is 13845628789. The next prime is 13845628829. The reversal of 13845628813 is 31882654831.

It is a happy number.

13845628813 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31882654831 = 661 ⋅48233971.

It is a cyclic number.

It is not a de Polignac number, because 13845628813 - 2¹⁷ = 13845497741 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 (13845628213) 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, 52845781 + ... + 52846042.

It is an arithmetic number, because the mean of its divisors is an integer number (3487830192).

Almost surely, 2^13845628813 is an apocalyptic number.

It is an amenable number.

13845628813 is a deficient number, since it is larger than the sum of its proper divisors (105691955).

13845628813 is a wasteful number, since it uses less digits than its factorization.

13845628813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105691954.

The product of its digits is 1105920, while the sum is 49.

The spelling of 13845628813 in words is "thirteen billion, eight hundred forty-five million, six hundred twenty-eight thousand, eight hundred thirteen".