6602021439 has 16 divisors (see below), whose sum is σ = 9482709600. Its totient is φ = 4061546496.

The previous prime is 6602021359. The next prime is 6602021443. The reversal of 6602021439 is 9341202066.

It is not a de Polignac number, because 6602021439 - 2²³ = 6593632831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6602011439) 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 15 ways as a sum of consecutive naturals, for example, 113647 + ... + 161615.

It is an arithmetic number, because the mean of its divisors is an integer number (592669350).

Almost surely, 2^6602021439 is an apocalyptic number.

6602021439 is a deficient number, since it is larger than the sum of its proper divisors (2880688161).

6602021439 is a wasteful number, since it uses less digits than its factorization.

6602021439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51514.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 6602021439 is about 81252.8241909166. The cubic root of 6602021439 is about 1875.9689393395.

The spelling of 6602021439 in words is "six billion, six hundred two million, twenty-one thousand, four hundred thirty-nine".