13773565968 has 40 divisors (see below), whose sum is σ = 35586868128. Its totient is φ = 4590523392.

The previous prime is 13773565951. The next prime is 13773565987. The reversal of 13773565968 is 86956537731.

13773565968 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 2×13773565968² (a number of 21 digits) contains 22 as substring.

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, 402955 + ... + 435797.

Almost surely, 2^13773565968 is an apocalyptic number.

It is an amenable number.

13773565968 is an abundant number, since it is smaller than the sum of its proper divisors (21813302160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13773565968 is a wasteful number, since it uses less digits than its factorization.

13773565968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41591 (or 41585 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 60.

The spelling of 13773565968 in words is "thirteen billion, seven hundred seventy-three million, five hundred sixty-five thousand, nine hundred sixty-eight".