14897721274728 has 64 divisors (see below), whose sum is σ = 38160010257600. Its totient is φ = 4844113182720.

The previous prime is 14897721274699. The next prime is 14897721274747. The reversal of 14897721274728 is 82747212779841.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8592463 + ... + 10179678.

It is an arithmetic number, because the mean of its divisors is an integer number (596250160275).

Almost surely, 2^{14897721274728} is an apocalyptic number.

It is an amenable number.

14897721274728 is an abundant number, since it is smaller than the sum of its proper divisors (23262288982872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14897721274728 is a wasteful number, since it uses less digits than its factorization.

14897721274728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18772962 (or 18772958 counting only the distinct ones).

The product of its digits is 177020928, while the sum is 69.

The spelling of 14897721274728 in words is "fourteen trillion, eight hundred ninety-seven billion, seven hundred twenty-one million, two hundred seventy-four thousand, seven hundred twenty-eight".