14540432321 has 2 divisors, whose sum is σ = 14540432322. Its totient is φ = 14540432320.

The previous prime is 14540432317. The next prime is 14540432341. The reversal of 14540432321 is 12323404541.

14540432321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12301249921 + 2239182400 = 110911^2 + 47320^2 .

It is a cyclic number.

It is not a de Polignac number, because 14540432321 - 2² = 14540432317 is a prime.

It is a super-2 number, since 2×14540432321² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14540432341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7270216160 + 7270216161.

It is an arithmetic number, because the mean of its divisors is an integer number (7270216161).

Almost surely, 2^14540432321 is an apocalyptic number.

It is an amenable number.

14540432321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14540432321 is an equidigital number, since it uses as much as digits as its factorization.

14540432321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 14540432321 its reverse (12323404541), we get a palindrome (26863836862).

The spelling of 14540432321 in words is "fourteen billion, five hundred forty million, four hundred thirty-two thousand, three hundred twenty-one".