13976849785 has 8 divisors (see below), whose sum is σ = 17047174536. Its totient is φ = 10998176640.

The previous prime is 13976849779. The next prime is 13976849849. The reversal of 13976849785 is 58794867931.

13976849785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 877818384 + 13099031401 = 29628^2 + 114451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13976849785 - 2⁵ = 13976849753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13976849785.

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, 22912564 + ... + 22913173.

It is an arithmetic number, because the mean of its divisors is an integer number (2130896817).

Almost surely, 2^13976849785 is an apocalyptic number.

It is an amenable number.

13976849785 is a deficient number, since it is larger than the sum of its proper divisors (3070324751).

13976849785 is an equidigital number, since it uses as much as digits as its factorization.

13976849785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45825803.

The product of its digits is 91445760, while the sum is 67.

The spelling of 13976849785 in words is "thirteen billion, nine hundred seventy-six million, eight hundred forty-nine thousand, seven hundred eighty-five".