6609970242 has 18 divisors (see below), whose sum is σ = 14322349587. Its totient is φ = 2203208436.

The previous prime is 6609970223. The next prime is 6609970247. The reversal of 6609970242 is 2420799066.

It can be written as a sum of positive squares in only one way, i.e., 3304985121 + 3304985121 = 57489^2 + 57489^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=57489.

It is not an unprimeable number, because it can be changed into a prime (6609970247) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 335353 + ... + 354515.

Almost surely, 2^6609970242 is an apocalyptic number.

6609970242 is an abundant number, since it is smaller than the sum of its proper divisors (7712379345).

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

6609970242 is an frugal number, since it uses more digits than its factorization.

6609970242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38334 (or 19168 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 6609970242 is about 81301.7234872669. The cubic root of 6609970242 is about 1876.7215233335.

The spelling of 6609970242 in words is "six billion, six hundred nine million, nine hundred seventy thousand, two hundred forty-two".