14028413309 has 4 divisors (see below), whose sum is σ = 14091321216. Its totient is φ = 13965505404.

The previous prime is 14028413297. The next prime is 14028413327. The reversal of 14028413309 is 90331482041.

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: 90331482041 = 2467 ⋅36615923.

It is a cyclic number.

It is not a de Polignac number, because 14028413309 - 2⁴ = 14028413293 is a prime.

It is a super-3 number, since 3×14028413309³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14028413389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31453619 + ... + 31454064.

It is an arithmetic number, because the mean of its divisors is an integer number (3522830304).

Almost surely, 2^14028413309 is an apocalyptic number.

It is an amenable number.

14028413309 is a deficient number, since it is larger than the sum of its proper divisors (62907907).

14028413309 is an equidigital number, since it uses as much as digits as its factorization.

14028413309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62907906.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 14028413309 in words is "fourteen billion, twenty-eight million, four hundred thirteen thousand, three hundred nine".