609500897280 has 1344 divisors, whose sum is σ = 2451064561920. Its totient is φ = 138726604800.

The previous prime is 609500897279. The next prime is 609500897311. The reversal of 609500897280 is 82798005906.

It is a happy number.

609500897280 is a `hidden beast` number, since 60 + 9 + 500 + 8 + 9 + 72 + 8 + 0 = 666.

It is a super-2 number, since 2×609500897280² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8349327324 + ... + 8349327396.

Almost surely, 2^609500897280 is an apocalyptic number.

609500897280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609500897280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225532280960).

609500897280 is an abundant number, since it is smaller than the sum of its proper divisors (1841563664640).

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

609500897280 is a wasteful number, since it uses less digits than its factorization.

609500897280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 609500897280 in words is "six hundred nine billion, five hundred million, eight hundred ninety-seven thousand, two hundred eighty".