14020424309 has 2 divisors, whose sum is σ = 14020424310. Its totient is φ = 14020424308.

The previous prime is 14020424291. The next prime is 14020424357. The reversal of 14020424309 is 90342402041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9634011409 + 4386412900 = 98153^2 + 66230^2 .

It is a cyclic number.

It is not a de Polignac number, because 14020424309 - 2¹² = 14020420213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14020424359) 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 as a sum of consecutive naturals, namely, 7010212154 + 7010212155.

It is an arithmetic number, because the mean of its divisors is an integer number (7010212155).

Almost surely, 2^14020424309 is an apocalyptic number.

It is an amenable number.

14020424309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14020424309 is an equidigital number, since it uses as much as digits as its factorization.

14020424309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 14020424309 in words is "fourteen billion, twenty million, four hundred twenty-four thousand, three hundred nine".