14012660065 has 4 divisors (see below), whose sum is σ = 16815192084. Its totient is φ = 11210128048.

The previous prime is 14012660009. The next prime is 14012660069. The reversal of 14012660065 is 56006621041.

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 4099072576 + 9913587489 = 64024^2 + 99567^2 .

It is a cyclic number.

It is not a de Polignac number, because 14012660065 - 2⁷ = 14012659937 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14012660069) 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, 1401266002 + ... + 1401266011.

It is an arithmetic number, because the mean of its divisors is an integer number (4203798021).

Almost surely, 2^14012660065 is an apocalyptic number.

It is an amenable number.

14012660065 is a deficient number, since it is larger than the sum of its proper divisors (2802532019).

14012660065 is an equidigital number, since it uses as much as digits as its factorization.

14012660065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802532018.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 14012660065 in words is "fourteen billion, twelve million, six hundred sixty thousand, sixty-five".