14211851959321 has 27 divisors (see below), whose sum is σ = 15109791221343. Its totient is φ = 13366117572720.

The previous prime is 14211851959309. The next prime is 14211851959339. The reversal of 14211851959321 is 12395915811241.

The square root of 14211851959321 is 3769861.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 462142995721 + 13749708963600 = 679811^2 + 3708060^2 .

It is not a de Polignac number, because 14211851959321 - 2⁹ = 14211851958809 is a prime.

It is a super-2 number, since 2×14211851959321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14211851959301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5289113640 + ... + 5289116326.

Almost surely, 2^{14211851959321} is an apocalyptic number.

14211851959321 is the 3769861-st square number.

14211851959321 is the 1884931-st centered octagonal number.

It is an amenable number.

14211851959321 is a deficient number, since it is larger than the sum of its proper divisors (897939262022).

14211851959321 is an frugal number, since it uses more digits than its factorization.

14211851959321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542 (or 2771 counting only the distinct ones).

The product of its digits is 777600, while the sum is 52.

The spelling of 14211851959321 in words is "fourteen trillion, two hundred eleven billion, eight hundred fifty-one million, nine hundred fifty-nine thousand, three hundred twenty-one".