609397842768 has 960 divisors, whose sum is σ = 2064027893760. Its totient is φ = 153280512000.

The previous prime is 609397842727. The next prime is 609397842769. The reversal of 609397842768 is 867248793906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609397842769) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3157501680 + ... + 3157501872.

It is an arithmetic number, because the mean of its divisors is an integer number (2150029056).

Almost surely, 2^609397842768 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 609397842768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1032013946880).

609397842768 is an abundant number, since it is smaller than the sum of its proper divisors (1454630050992).

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

609397842768 is a wasteful number, since it uses less digits than its factorization.

609397842768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 69.

The spelling of 609397842768 in words is "six hundred nine billion, three hundred ninety-seven million, eight hundred forty-two thousand, seven hundred sixty-eight".