6609982428 has 192 divisors, whose sum is σ = 21056716800. Its totient is φ = 1750921920.

The previous prime is 6609982427. The next prime is 6609982429. The reversal of 6609982428 is 8242899066.

It is a happy number.

6609982428 is a `hidden beast` number, since 6 + 609 + 9 + 8 + 2 + 4 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (6609982427) and next prime (6609982429).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6609982427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 670213 + ... + 680003.

It is an arithmetic number, because the mean of its divisors is an integer number (109670400).

Almost surely, 2^6609982428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6609982428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10528358400).

6609982428 is an abundant number, since it is smaller than the sum of its proper divisors (14446734372).

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

6609982428 is a wasteful number, since it uses less digits than its factorization.

6609982428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9877 (or 9869 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 6609982428 is about 81301.7984302930. The cubic root of 6609982428 is about 1876.7226766274.

The spelling of 6609982428 in words is "six billion, six hundred nine million, nine hundred eighty-two thousand, four hundred twenty-eight".