14053391209 has 27 divisors (see below), whose sum is σ = 16746960069. Its totient is φ = 11778829920.

The previous prime is 14053391203. The next prime is 14053391227. The reversal of 14053391209 is 90219335041.

The square root of 14053391209 is 118547.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1345789225 + 12707601984 = 36685^2 + 112728^2 .

It is not a de Polignac number, because 14053391209 - 2⁷ = 14053391081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14053391203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 16951807 + ... + 16952635.

Almost surely, 2^14053391209 is an apocalyptic number.

14053391209 is the 118547-th square number.

14053391209 is the 59274-th centered octagonal number.

It is an amenable number.

14053391209 is a deficient number, since it is larger than the sum of its proper divisors (2693568860).

14053391209 is an frugal number, since it uses more digits than its factorization.

14053391209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 14053391209 in words is "fourteen billion, fifty-three million, three hundred ninety-one thousand, two hundred nine".