13676693378847 has 4 divisors (see below), whose sum is σ = 18235591171800. Its totient is φ = 9117795585896.

The previous prime is 13676693378807. The next prime is 13676693378861. The reversal of 13676693378847 is 74887339667631.

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

It is a cyclic number.

It is not a de Polignac number, because 13676693378847 - 2⁶ = 13676693378783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13676693378807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2279448896472 + ... + 2279448896477.

It is an arithmetic number, because the mean of its divisors is an integer number (4558897792950).

Almost surely, 2^{13676693378847} is an apocalyptic number.

13676693378847 is a deficient number, since it is larger than the sum of its proper divisors (4558897792953).

13676693378847 is an equidigital number, since it uses as much as digits as its factorization.

13676693378847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558897792952.

The product of its digits is 4608866304, while the sum is 78.

The spelling of 13676693378847 in words is "thirteen trillion, six hundred seventy-six billion, six hundred ninety-three million, three hundred seventy-eight thousand, eight hundred forty-seven".