14320621479 has 4 divisors (see below), whose sum is σ = 19094161976. Its totient is φ = 9547080984.

The previous prime is 14320621477. The next prime is 14320621529. The reversal of 14320621479 is 97412602341.

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

It is not a de Polignac number, because 14320621479 - 2¹ = 14320621477 is a prime.

It is a super-2 number, since 2×14320621479² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14320621477) 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, 2386770244 + ... + 2386770249.

It is an arithmetic number, because the mean of its divisors is an integer number (4773540494).

Almost surely, 2^14320621479 is an apocalyptic number.

14320621479 is a deficient number, since it is larger than the sum of its proper divisors (4773540497).

14320621479 is an equidigital number, since it uses as much as digits as its factorization.

14320621479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773540496.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 14320621479 in words is "fourteen billion, three hundred twenty million, six hundred twenty-one thousand, four hundred seventy-nine".