14443400321 has 8 divisors (see below), whose sum is σ = 17224427904. Its totient is φ = 11841793920.

The previous prime is 14443400291. The next prime is 14443400329. The reversal of 14443400321 is 12300434441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14443400321 is a prime.

It is a super-2 number, since 2×14443400321² (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 (14443400329) 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, 44855120 + ... + 44855441.

It is an arithmetic number, because the mean of its divisors is an integer number (2153053488).

Almost surely, 2^14443400321 is an apocalyptic number.

It is an amenable number.

14443400321 is a deficient number, since it is larger than the sum of its proper divisors (2781027583).

14443400321 is an equidigital number, since it uses as much as digits as its factorization.

14443400321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89710591.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 14443400321 its reverse (12300434441), we get a palindrome (26743834762).

The spelling of 14443400321 in words is "fourteen billion, four hundred forty-three million, four hundred thousand, three hundred twenty-one".