609213129888 has 384 divisors, whose sum is σ = 1916703129600. Its totient is φ = 167270400000.

The previous prime is 609213129839. The next prime is 609213129923. The reversal of 609213129888 is 888921312906.

It is a happy number.

It is a super-2 number, since 2×609213129888² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110743138 + ... + 110748638.

It is an arithmetic number, because the mean of its divisors is an integer number (4991414400).

Almost surely, 2^609213129888 is an apocalyptic number.

609213129888 is a gapful number since it is divisible by the number (68) 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 609213129888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (958351564800).

609213129888 is an abundant number, since it is smaller than the sum of its proper divisors (1307489999712).

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

609213129888 is a wasteful number, since it uses less digits than its factorization.

609213129888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772 (or 5764 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 57.

The spelling of 609213129888 in words is "six hundred nine billion, two hundred thirteen million, one hundred twenty-nine thousand, eight hundred eighty-eight".