14350721065 has 4 divisors (see below), whose sum is σ = 17220865284. Its totient is φ = 11480576848.

The previous prime is 14350721051. The next prime is 14350721081. The reversal of 14350721065 is 56012705341.

14350721065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2386517904 + 11964203161 = 48852^2 + 109381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14350721065 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14350721065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435072102 + ... + 1435072111.

It is an arithmetic number, because the mean of its divisors is an integer number (4305216321).

Almost surely, 2^14350721065 is an apocalyptic number.

It is an amenable number.

14350721065 is a deficient number, since it is larger than the sum of its proper divisors (2870144219).

14350721065 is an equidigital number, since it uses as much as digits as its factorization.

14350721065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870144218.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 14350721065 in words is "fourteen billion, three hundred fifty million, seven hundred twenty-one thousand, sixty-five".