606535684420 has 24 divisors (see below), whose sum is σ = 1280324556504. Its totient is φ = 241357203456.

The previous prime is 606535684411. The next prime is 606535684427. The reversal of 606535684420 is 24486535606.

It can be written as a sum of positive squares in 4 ways, for example, as 5281219584 + 601254464836 = 72672^2 + 775406^2 .

It is not an unprimeable number, because it can be changed into a prime (606535684427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78562939 + ... + 78570658.

It is an arithmetic number, because the mean of its divisors is an integer number (53346856521).

Almost surely, 2^606535684420 is an apocalyptic number.

It is an amenable number.

606535684420 is an abundant number, since it is smaller than the sum of its proper divisors (673788872084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

606535684420 is a wasteful number, since it uses less digits than its factorization.

606535684420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157133799 (or 157133797 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 606535684420 in words is "six hundred six billion, five hundred thirty-five million, six hundred eighty-four thousand, four hundred twenty".