14243553321 has 16 divisors (see below), whose sum is σ = 19899369600. Its totient is φ = 9045146880.

The previous prime is 14243553277. The next prime is 14243553323. The reversal of 14243553321 is 12335534241.

It is not a de Polignac number, because 14243553321 - 2⁶ = 14243553257 is a prime.

It is a super-2 number, since 2×14243553321² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14243553323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411646 + ... + 444903.

It is an arithmetic number, because the mean of its divisors is an integer number (1243710600).

Almost surely, 2^14243553321 is an apocalyptic number.

It is an amenable number.

14243553321 is a deficient number, since it is larger than the sum of its proper divisors (5655816279).

14243553321 is a wasteful number, since it uses less digits than its factorization.

14243553321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856816.

The product of its digits is 43200, while the sum is 33.

The spelling of 14243553321 in words is "fourteen billion, two hundred forty-three million, five hundred fifty-three thousand, three hundred twenty-one".