14212042309 has 4 divisors (see below), whose sum is σ = 14829957216. Its totient is φ = 13594127404.

The previous prime is 14212042301. The next prime is 14212042367. The reversal of 14212042309 is 90324021241.

14212042309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90324021241 = 1303 ⋅69320047.

It is a cyclic number.

It is not a de Polignac number, because 14212042309 - 2³ = 14212042301 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 (14212042301) 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 3 ways as a sum of consecutive naturals, for example, 308957419 + ... + 308957464.

It is an arithmetic number, because the mean of its divisors is an integer number (3707489304).

Almost surely, 2^14212042309 is an apocalyptic number.

It is an amenable number.

14212042309 is a deficient number, since it is larger than the sum of its proper divisors (617914907).

14212042309 is an equidigital number, since it uses as much as digits as its factorization.

14212042309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617914906.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 14212042309 in words is "fourteen billion, two hundred twelve million, forty-two thousand, three hundred nine".