14540221209 has 16 divisors (see below), whose sum is σ = 19734797888. Its totient is φ = 9520422912.

The previous prime is 14540221177. The next prime is 14540221229. The reversal of 14540221209 is 90212204541.

It is not a de Polignac number, because 14540221209 - 2⁵ = 14540221177 is a prime.

It is a super-2 number, since 2×14540221209² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14540221229) 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, 39592 + ... + 175065.

It is an arithmetic number, because the mean of its divisors is an integer number (1233424868).

Almost surely, 2^14540221209 is an apocalyptic number.

It is an amenable number.

14540221209 is a deficient number, since it is larger than the sum of its proper divisors (5194576679).

14540221209 is a wasteful number, since it uses less digits than its factorization.

14540221209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215064.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 14540221209 in words is "fourteen billion, five hundred forty million, two hundred twenty-one thousand, two hundred nine".