13948785029185 has 4 divisors (see below), whose sum is σ = 16738542035028. Its totient is φ = 11159028023344.

The previous prime is 13948785029161. The next prime is 13948785029197. The reversal of 13948785029185 is 58192058784931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5844446465841 + 8104338563344 = 2417529^2 + 2846812^2 .

It is a cyclic number.

It is not a de Polignac number, because 13948785029185 - 2¹³ = 13948785020993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394878502914 + ... + 1394878502923.

It is an arithmetic number, because the mean of its divisors is an integer number (4184635508757).

Almost surely, 2^{13948785029185} is an apocalyptic number.

It is an amenable number.

13948785029185 is a deficient number, since it is larger than the sum of its proper divisors (2789757005843).

13948785029185 is an equidigital number, since it uses as much as digits as its factorization.

13948785029185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789757005842.

The product of its (nonzero) digits is 174182400, while the sum is 70.

The spelling of 13948785029185 in words is "thirteen trillion, nine hundred forty-eight billion, seven hundred eighty-five million, twenty-nine thousand, one hundred eighty-five".