13565738403 has 48 divisors (see below), whose sum is σ = 22697625600. Its totient is φ = 7647235200.

The previous prime is 13565738393. The next prime is 13565738419. The reversal of 13565738403 is 30483756531.

13565738403 is a `hidden beast` number, since 1 + 3 + 565 + 7 + 3 + 84 + 0 + 3 = 666.

13565738403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13565738403 - 2⁶ = 13565738339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13565738603) 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 47 ways as a sum of consecutive naturals, for example, 2683228 + ... + 2688278.

It is an arithmetic number, because the mean of its divisors is an integer number (472867200).

Almost surely, 2^13565738403 is an apocalyptic number.

13565738403 is a deficient number, since it is larger than the sum of its proper divisors (9131887197).

13565738403 is a wasteful number, since it uses less digits than its factorization.

13565738403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5632 (or 5629 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 13565738403 in words is "thirteen billion, five hundred sixty-five million, seven hundred thirty-eight thousand, four hundred three".