6020442509 has 6 divisors (see below), whose sum is σ = 6395418474. Its totient is φ = 5666298560.

The previous prime is 6020442481. The next prime is 6020442523. The reversal of 6020442509 is 9052440206.

It can be written as a sum of positive squares in 3 ways, for example, as 2959033609 + 3061408900 = 54397^2 + 55330^2 .

It is not a de Polignac number, because 6020442509 - 2²⁴ = 6003665293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6020442559) 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 5 ways as a sum of consecutive naturals, for example, 10415702 + ... + 10416279.

It is an arithmetic number, because the mean of its divisors is an integer number (1065903079).

Almost surely, 2^6020442509 is an apocalyptic number.

It is an amenable number.

6020442509 is a deficient number, since it is larger than the sum of its proper divisors (374975965).

6020442509 is a wasteful number, since it uses less digits than its factorization.

6020442509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20832015 (or 20831998 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 6020442509 is about 77591.5105472242. The cubic root of 6020442509 is about 1819.1819482015.

The spelling of 6020442509 in words is "six billion, twenty million, four hundred forty-two thousand, five hundred nine".