14305032421 has 8 divisors (see below), whose sum is σ = 14460831000. Its totient is φ = 14150031360.

The previous prime is 14305032409. The next prime is 14305032431. The reversal of 14305032421 is 12423050341.

It can be written as a sum of positive squares in 4 ways, for example, as 4030980100 + 10274052321 = 63490^2 + 101361^2 .

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 14305032421 - 2¹⁷ = 14304901349 is a prime.

It is a super-2 number, since 2×14305032421² (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 (14305032431) 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, 163276 + ... + 235093.

It is an arithmetic number, because the mean of its divisors is an integer number (1807603875).

Almost surely, 2^14305032421 is an apocalyptic number.

It is an amenable number.

14305032421 is a deficient number, since it is larger than the sum of its proper divisors (155798579).

14305032421 is a wasteful number, since it uses less digits than its factorization.

14305032421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398759.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 14305032421 its reverse (12423050341), we get a palindrome (26728082762).

The spelling of 14305032421 in words is "fourteen billion, three hundred five million, thirty-two thousand, four hundred twenty-one".