609968512860 has 192 divisors, whose sum is σ = 2062276070400. Its totient is φ = 131591927808.

The previous prime is 609968512859. The next prime is 609968512877. The reversal of 609968512860 is 68215869906.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 609968512794 and 609968512803.

It is a congruent number.

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, 2004544 + ... + 2288696.

It is an arithmetic number, because the mean of its divisors is an integer number (10741021200).

Almost surely, 2^609968512860 is an apocalyptic number.

609968512860 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 609968512860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031138035200).

609968512860 is an abundant number, since it is smaller than the sum of its proper divisors (1452307557540).

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

609968512860 is a wasteful number, since it uses less digits than its factorization.

609968512860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284460 (or 284458 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 609968512860 in words is "six hundred nine billion, nine hundred sixty-eight million, five hundred twelve thousand, eight hundred sixty".