14540204321 has 4 divisors (see below), whose sum is σ = 14552838144. Its totient is φ = 14527570500.

The previous prime is 14540204311. The next prime is 14540204323. The reversal of 14540204321 is 12340204541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14540204321 is a prime.

It is a super-2 number, since 2×14540204321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14540204323) 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, 6315185 + ... + 6317486.

It is an arithmetic number, because the mean of its divisors is an integer number (3638209536).

Almost surely, 2^14540204321 is an apocalyptic number.

It is an amenable number.

14540204321 is a deficient number, since it is larger than the sum of its proper divisors (12633823).

14540204321 is a wasteful number, since it uses less digits than its factorization.

14540204321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12633822.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 14540204321 its reverse (12340204541), we get a palindrome (26880408862).

The spelling of 14540204321 in words is "fourteen billion, five hundred forty million, two hundred four thousand, three hundred twenty-one".