13863765628 has 12 divisors (see below), whose sum is σ = 24322704952. Its totient is φ = 6914421360.

The previous prime is 13863765623. The next prime is 13863765631. The reversal of 13863765628 is 82656736831.

13863765628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13863765628² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13863765623) 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, 4363578 + ... + 4366753.

Almost surely, 2^13863765628 is an apocalyptic number.

It is an amenable number.

13863765628 is a deficient number, since it is larger than the sum of its proper divisors (10458939324).

13863765628 is a wasteful number, since it uses less digits than its factorization.

13863765628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8730732 (or 8730730 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The spelling of 13863765628 in words is "thirteen billion, eight hundred sixty-three million, seven hundred sixty-five thousand, six hundred twenty-eight".