13908545785 has 8 divisors (see below), whose sum is σ = 16693225920. Its totient is φ = 11124855984.

The previous prime is 13908545759. The next prime is 13908545789. The reversal of 13908545785 is 58754580931.

13908545785 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 a de Polignac number, because none of the positive numbers 2^k-13908545785 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13908545789) 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, 216325 + ... + 273154.

It is an arithmetic number, because the mean of its divisors is an integer number (2086653240).

Almost surely, 2^13908545785 is an apocalyptic number.

It is an amenable number.

13908545785 is a deficient number, since it is larger than the sum of its proper divisors (2784680135).

13908545785 is an equidigital number, since it uses as much as digits as its factorization.

13908545785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495167.

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 13908545785 in words is "thirteen billion, nine hundred eight million, five hundred forty-five thousand, seven hundred eighty-five".