689220569224 has 64 divisors (see below), whose sum is σ = 1448420068800. Its totient is φ = 304699449600.

The previous prime is 689220569203. The next prime is 689220569263. The reversal of 689220569224 is 422965022986.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8853382 + ... + 8930890.

It is an arithmetic number, because the mean of its divisors is an integer number (22631563575).

Almost surely, 2^689220569224 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 689220569224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724210034400).

689220569224 is an abundant number, since it is smaller than the sum of its proper divisors (759199499576).

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

689220569224 is a wasteful number, since it uses less digits than its factorization.

689220569224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80294 (or 80290 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 689220569224 in words is "six hundred eighty-nine billion, two hundred twenty million, five hundred sixty-nine thousand, two hundred twenty-four".