14430961309 has 8 divisors (see below), whose sum is σ = 15437367288. Its totient is φ = 13442058240.

The previous prime is 14430961291. The next prime is 14430961327. The reversal of 14430961309 is 90316903441.

It is an interprime number because it is at equal distance from previous prime (14430961291) and next prime (14430961327).

It can be written as a sum of positive squares in 4 ways, for example, as 7898765625 + 6532195684 = 88875^2 + 80822^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14430961309 - 2³³ = 5841026717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14430961009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4374022 + ... + 4377319.

It is an arithmetic number, because the mean of its divisors is an integer number (1929670911).

Almost surely, 2^14430961309 is an apocalyptic number.

It is an amenable number.

14430961309 is a deficient number, since it is larger than the sum of its proper divisors (1006405979).

14430961309 is an equidigital number, since it uses as much as digits as its factorization.

14430961309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8751455.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 14430961309 in words is "fourteen billion, four hundred thirty million, nine hundred sixty-one thousand, three hundred nine".