609957552680 has 384 divisors, whose sum is σ = 1737174690720. Its totient is φ = 191409684480.

The previous prime is 609957552569. The next prime is 609957552689. The reversal of 609957552680 is 86255759906.

It can be written as a sum of positive squares in 16 ways, for example, as 227096090116 + 382861462564 = 476546^2 + 618758^2 .

It is not an unprimeable number, because it can be changed into a prime (609957552689) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 624316352 + ... + 624317328.

Almost surely, 2^609957552680 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 609957552680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868587345360).

609957552680 is an abundant number, since it is smaller than the sum of its proper divisors (1127217138040).

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

609957552680 is a wasteful number, since it uses less digits than its factorization.

609957552680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 40824000, while the sum is 62.

The spelling of 609957552680 in words is "six hundred nine billion, nine hundred fifty-seven million, five hundred fifty-two thousand, six hundred eighty".