689542361200 has 360 divisors, whose sum is σ = 2152841271840. Its totient is φ = 207508224000.

The previous prime is 689542361173. The next prime is 689542361213. The reversal of 689542361200 is 2163245986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9790110 + ... + 9860290.

It is an arithmetic number, because the mean of its divisors is an integer number (5980114644).

Almost surely, 2^689542361200 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 689542361200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076420635920).

689542361200 is an abundant number, since it is smaller than the sum of its proper divisors (1463298910640).

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

689542361200 is a wasteful number, since it uses less digits than its factorization.

689542361200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70257 (or 70235 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 689542361200 in words is "six hundred eighty-nine billion, five hundred forty-two million, three hundred sixty-one thousand, two hundred".