14500005509 has 4 divisors (see below), whose sum is σ = 15818187840. Its totient is φ = 13181823180.

The previous prime is 14500005497. The next prime is 14500005547. The reversal of 14500005509 is 90550000541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14500005509 - 2⁴ = 14500005493 is a prime.

It is a super-2 number, since 2×14500005509² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14500005209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659091149 + ... + 659091170.

It is an arithmetic number, because the mean of its divisors is an integer number (3954546960).

Almost surely, 2^14500005509 is an apocalyptic number.

It is an amenable number.

14500005509 is a deficient number, since it is larger than the sum of its proper divisors (1318182331).

14500005509 is a wasteful number, since it uses less digits than its factorization.

14500005509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318182330.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 14500005509 in words is "fourteen billion, five hundred million, five thousand, five hundred nine".