14317728727 has 4 divisors (see below), whose sum is σ = 14779590976. Its totient is φ = 13855866480.

The previous prime is 14317728703. The next prime is 14317728731. The reversal of 14317728727 is 72782771341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14317728727 - 2¹⁹ = 14317204439 is a prime.

It is a super-2 number, since 2×14317728727² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14317728427) 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, 230931078 + ... + 230931139.

It is an arithmetic number, because the mean of its divisors is an integer number (3694897744).

Almost surely, 2^14317728727 is an apocalyptic number.

14317728727 is a deficient number, since it is larger than the sum of its proper divisors (461862249).

14317728727 is an equidigital number, since it uses as much as digits as its factorization.

14317728727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461862248.

The product of its digits is 921984, while the sum is 49.

It can be divided in two parts, 14317 and 728727, that added together give a square (743044 = 862²).

The spelling of 14317728727 in words is "fourteen billion, three hundred seventeen million, seven hundred twenty-eight thousand, seven hundred twenty-seven".