14514217921009 has 3 divisors (see below), whose sum is σ = 14514221730763. Its totient is φ = 14514214111256.

The previous prime is 14514217921003. The next prime is 14514217921037. The reversal of 14514217921009 is 90012971241541.

It is a happy number.

The square root of 14514217921009 is 3809753.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5962851191025 + 8551366729984 = 2441895^2 + 2924272^2 .

It is not a de Polignac number, because 14514217921009 - 2⁵ = 14514217920977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14514217921009.

It is not an unprimeable number, because it can be changed into a prime (14514217921003) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1904877 + ... + 5714629.

Almost surely, 2^{14514217921009} is an apocalyptic number.

14514217921009 is the 3809753-rd square number.

14514217921009 is the 1904877-th centered octagonal number.

It is an amenable number.

14514217921009 is a deficient number, since it is larger than the sum of its proper divisors (3809754).

14514217921009 is an frugal number, since it uses more digits than its factorization.

14514217921009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7619506 (or 3809753 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 14514217921009 in words is "fourteen trillion, five hundred fourteen billion, two hundred seventeen million, nine hundred twenty-one thousand, nine".