13834521718 has 24 divisors (see below), whose sum is σ = 22208177160. Its totient is φ = 6445699200.

The previous prime is 13834521713. The next prime is 13834521731. The reversal of 13834521718 is 81712543831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13834521713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92478 + ... + 190318.

It is an arithmetic number, because the mean of its divisors is an integer number (925340715).

Almost surely, 2^13834521718 is an apocalyptic number.

13834521718 is a deficient number, since it is larger than the sum of its proper divisors (8373655442).

13834521718 is an equidigital number, since it uses as much as digits as its factorization.

13834521718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97984 (or 97923 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The spelling of 13834521718 in words is "thirteen billion, eight hundred thirty-four million, five hundred twenty-one thousand, seven hundred eighteen".