13546748434378 has 8 divisors (see below), whose sum is σ = 20320247614500. Its totient is φ = 6773332562880.

The previous prime is 13546748434369. The next prime is 13546748434379. The reversal of 13546748434378 is 87343484764531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10710781289289 + 2835967145089 = 3272733^2 + 1684033^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13546748434379) by changing a digit.

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, 20419033 + ... + 21072028.

Almost surely, 2^{13546748434378} is an apocalyptic number.

13546748434378 is a deficient number, since it is larger than the sum of its proper divisors (6773499180122).

13546748434378 is a wasteful number, since it uses less digits than its factorization.

13546748434378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41654312.

The product of its digits is 650280960, while the sum is 67.

The spelling of 13546748434378 in words is "thirteen trillion, five hundred forty-six billion, seven hundred forty-eight million, four hundred thirty-four thousand, three hundred seventy-eight".