14456656399 has 4 divisors (see below), whose sum is σ = 14462015400. Its totient is φ = 14451297400.

The previous prime is 14456656327. The next prime is 14456656411. The reversal of 14456656399 is 99365665441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99365665441 = 7 ⋅14195095063.

It is a cyclic number.

It is not a de Polignac number, because 14456656399 - 2¹⁵ = 14456623631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14456656099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2675452 + ... + 2680849.

It is an arithmetic number, because the mean of its divisors is an integer number (3615503850).

Almost surely, 2^14456656399 is an apocalyptic number.

14456656399 is a deficient number, since it is larger than the sum of its proper divisors (5359001).

14456656399 is an equidigital number, since it uses as much as digits as its factorization.

14456656399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359000.

The product of its digits is 20995200, while the sum is 58.

The spelling of 14456656399 in words is "fourteen billion, four hundred fifty-six million, six hundred fifty-six thousand, three hundred ninety-nine".