14330021521 has 8 divisors (see below), whose sum is σ = 15085722080. Its totient is φ = 13574469888.

The previous prime is 14330021491. The next prime is 14330021543. The reversal of 14330021521 is 12512003341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14330021521 - 2²⁷ = 14195803793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14330021492 and 14330021501.

It is not an unprimeable number, because it can be changed into a prime (14330021621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198670 + ... + 261016.

It is an arithmetic number, because the mean of its divisors is an integer number (1885715260).

Almost surely, 2^14330021521 is an apocalyptic number.

It is an amenable number.

14330021521 is a deficient number, since it is larger than the sum of its proper divisors (755700559).

14330021521 is a wasteful number, since it uses less digits than its factorization.

14330021521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74463.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 14330021521 its reverse (12512003341), we get a palindrome (26842024862).

The spelling of 14330021521 in words is "fourteen billion, three hundred thirty million, twenty-one thousand, five hundred twenty-one".