6424302509 has 2 divisors, whose sum is σ = 6424302510. Its totient is φ = 6424302508.

The previous prime is 6424302491. The next prime is 6424302529. The reversal of 6424302509 is 9052034246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4424245225 + 2000057284 = 66515^2 + 44722^2 .

It is a cyclic number.

It is not a de Polignac number, because 6424302509 - 2²⁰ = 6423253933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6424302529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212151254 + 3212151255.

It is an arithmetic number, because the mean of its divisors is an integer number (3212151255).

Almost surely, 2^6424302509 is an apocalyptic number.

It is an amenable number.

6424302509 is a deficient number, since it is larger than the sum of its proper divisors (1).

6424302509 is an equidigital number, since it uses as much as digits as its factorization.

6424302509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 6424302509 is about 80151.7467620014. The cubic root of 6424302509 is about 1858.9826120859.

The spelling of 6424302509 in words is "six billion, four hundred twenty-four million, three hundred two thousand, five hundred nine".