14007432609 has 9 divisors (see below), whose sum is σ = 20233471089. Its totient is φ = 9338051700.

The previous prime is 14007432589. The next prime is 14007432617. The reversal of 14007432609 is 90623470041.

The square root of 14007432609 is 118353.

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

14007432609 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 7 + 43 + 2 + 609 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 14007432609 - 2⁹ = 14007432097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14007432689) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 335334 + ... + 374784.

Almost surely, 2^14007432609 is an apocalyptic number.

14007432609 is the 118353-rd square number.

14007432609 is the 59177-th centered octagonal number.

It is an amenable number.

14007432609 is a deficient number, since it is larger than the sum of its proper divisors (6226038480).

14007432609 is an frugal number, since it uses more digits than its factorization.

14007432609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78908 (or 39454 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Multiplying 14007432609 by its sum of digits (36), we get a square (504267573924 = 710118²).

The spelling of 14007432609 in words is "fourteen billion, seven million, four hundred thirty-two thousand, six hundred nine".