13766638897 has 8 divisors (see below), whose sum is σ = 15026798592. Its totient is φ = 12507920400.

The previous prime is 13766638889. The next prime is 13766638909. The reversal of 13766638897 is 79883666731.

13766638897 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 a cyclic number.

It is not a de Polignac number, because 13766638897 - 2³ = 13766638889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13766638997) 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 7 ways as a sum of consecutive naturals, for example, 340273 + ... + 378574.

It is an arithmetic number, because the mean of its divisors is an integer number (1878349824).

Almost surely, 2^13766638897 is an apocalyptic number.

It is an amenable number.

13766638897 is a deficient number, since it is larger than the sum of its proper divisors (1260159695).

13766638897 is a wasteful number, since it uses less digits than its factorization.

13766638897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720599.

The product of its digits is 54867456, while the sum is 64.

The spelling of 13766638897 in words is "thirteen billion, seven hundred sixty-six million, six hundred thirty-eight thousand, eight hundred ninety-seven".