14656865641 has 6 divisors (see below), whose sum is σ = 16110439226. Its totient is φ = 13324423200.

The previous prime is 14656865633. The next prime is 14656865647.

14656865641 is nontrivially palindromic in base 10.

14656865641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12255375616 + 2401490025 = 110704^2 + 49005^2 .

It is not a de Polignac number, because 14656865641 - 2³ = 14656865633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14656865647) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 60565440 + ... + 60565681.

Almost surely, 2^14656865641 is an apocalyptic number.

14656865641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14656865641 is a deficient number, since it is larger than the sum of its proper divisors (1453573585).

14656865641 is a wasteful number, since it uses less digits than its factorization.

14656865641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121131143 (or 121131132 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 52.

The spelling of 14656865641 in words is "fourteen billion, six hundred fifty-six million, eight hundred sixty-five thousand, six hundred forty-one".