14519985479 has 4 divisors (see below), whose sum is σ = 14529751584. Its totient is φ = 14510219376.

The previous prime is 14519985463. The next prime is 14519985521. The reversal of 14519985479 is 97458991541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 14519985479 - 2⁴ = 14519985463 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 (14519985409) 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, 4880822 + ... + 4883795.

It is an arithmetic number, because the mean of its divisors is an integer number (3632437896).

Almost surely, 2^14519985479 is an apocalyptic number.

14519985479 is a deficient number, since it is larger than the sum of its proper divisors (9766105).

14519985479 is an equidigital number, since it uses as much as digits as its factorization.

14519985479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9766104.

The product of its digits is 16329600, while the sum is 62.

The spelling of 14519985479 in words is "fourteen billion, five hundred nineteen million, nine hundred eighty-five thousand, four hundred seventy-nine".