689194343232 has 224 divisors, whose sum is σ = 2098219791360. Its totient is φ = 221683392000.

The previous prime is 689194343221. The next prime is 689194343237. The reversal of 689194343232 is 232343491986.

689194343232 is a `hidden beast` number, since 6 + 8 + 91 + 94 + 3 + 432 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689194343237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6111357 + ... + 6223107.

It is an arithmetic number, because the mean of its divisors is an integer number (9367052640).

Almost surely, 2^689194343232 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 689194343232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049109895680).

689194343232 is an abundant number, since it is smaller than the sum of its proper divisors (1409025448128).

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

689194343232 is a wasteful number, since it uses less digits than its factorization.

689194343232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111898 (or 111882 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The spelling of 689194343232 in words is "six hundred eighty-nine billion, one hundred ninety-four million, three hundred forty-three thousand, two hundred thirty-two".