14639430679 has 4 divisors (see below), whose sum is σ = 14640145560. Its totient is φ = 14638715800.

The previous prime is 14639430653. The next prime is 14639430683. The reversal of 14639430679 is 97603493641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97603493641 = 1427 ⋅68397683.

It is a cyclic number.

It is not a de Polignac number, because 14639430679 - 2⁵ = 14639430647 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 (14639430079) 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, 325789 + ... + 367990.

It is an arithmetic number, because the mean of its divisors is an integer number (3660036390).

Almost surely, 2^14639430679 is an apocalyptic number.

14639430679 is a deficient number, since it is larger than the sum of its proper divisors (714881).

14639430679 is an equidigital number, since it uses as much as digits as its factorization.

14639430679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714880.

The product of its (nonzero) digits is 2939328, while the sum is 52.

The spelling of 14639430679 in words is "fourteen billion, six hundred thirty-nine million, four hundred thirty thousand, six hundred seventy-nine".