13681381473814 has 8 divisors (see below), whose sum is σ = 20569467297960. Its totient is φ = 6824892374496.

The previous prime is 13681381473761. The next prime is 13681381473817. The reversal of 13681381473814 is 41837418318631.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13681381473817) 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, 7899180124 + ... + 7899181855.

It is an arithmetic number, because the mean of its divisors is an integer number (2571183412245).

Almost surely, 2^{13681381473814} is an apocalyptic number.

13681381473814 is a deficient number, since it is larger than the sum of its proper divisors (6888085824146).

13681381473814 is a wasteful number, since it uses less digits than its factorization.

13681381473814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15798362414.

The product of its digits is 9289728, while the sum is 58.

The spelling of 13681381473814 in words is "thirteen trillion, six hundred eighty-one billion, three hundred eighty-one million, four hundred seventy-three thousand, eight hundred fourteen".