14728722017 has 4 divisors (see below), whose sum is σ = 15071250480. Its totient is φ = 14386193556.

The previous prime is 14728722013. The next prime is 14728722059. The reversal of 14728722017 is 71022782741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71022782741 = 19727 ⋅3600283.

It is a cyclic number.

It is not a de Polignac number, because 14728722017 - 2² = 14728722013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14728722011) 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, 171264167 + ... + 171264252.

It is an arithmetic number, because the mean of its divisors is an integer number (3767812620).

Almost surely, 2^14728722017 is an apocalyptic number.

It is an amenable number.

14728722017 is a deficient number, since it is larger than the sum of its proper divisors (342528463).

14728722017 is an equidigital number, since it uses as much as digits as its factorization.

14728722017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342528462.

The product of its (nonzero) digits is 87808, while the sum is 41.

The spelling of 14728722017 in words is "fourteen billion, seven hundred twenty-eight million, seven hundred twenty-two thousand, seventeen".