13718522728 has 96 divisors (see below), whose sum is σ = 27686568960. Its totient is φ = 6370721280.

The previous prime is 13718522711. The next prime is 13718522729. The reversal of 13718522728 is 82722581731.

It is not an unprimeable number, because it can be changed into a prime (13718522729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41445523 + ... + 41445853.

It is an arithmetic number, because the mean of its divisors is an integer number (288401760).

Almost surely, 2^13718522728 is an apocalyptic number.

It is an amenable number.

13718522728 is an abundant number, since it is smaller than the sum of its proper divisors (13968046232).

13718522728 is a wasteful number, since it uses less digits than its factorization.

13718522728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 592 counting only the distinct ones).

The product of its digits is 376320, while the sum is 46.

The spelling of 13718522728 in words is "thirteen billion, seven hundred eighteen million, five hundred twenty-two thousand, seven hundred twenty-eight".