13950579209 has 16 divisors (see below), whose sum is σ = 16971235200. Its totient is φ = 11200996224.

The previous prime is 13950579193. The next prime is 13950579233. The reversal of 13950579209 is 90297505931.

It is a happy number.

13950579209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13950579209 - 2⁴ = 13950579193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13950579259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577442 + ... + 601115.

It is an arithmetic number, because the mean of its divisors is an integer number (1060702200).

Almost surely, 2^13950579209 is an apocalyptic number.

13950579209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13950579209 is a deficient number, since it is larger than the sum of its proper divisors (3020655991).

13950579209 is a wasteful number, since it uses less digits than its factorization.

13950579209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178672.

The product of its (nonzero) digits is 765450, while the sum is 50.

The spelling of 13950579209 in words is "thirteen billion, nine hundred fifty million, five hundred seventy-nine thousand, two hundred nine".