689617144501322 has 8 divisors (see below), whose sum is σ = 1053943183105956. Its totient is φ = 338302750132672.

The previous prime is 689617144501309. The next prime is 689617144501409. The reversal of 689617144501322 is 223105441716986.

It can be written as a sum of positive squares in 2 ways, for example, as 686809941429481 + 2807203071841 = 26207059^2 + 1675471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3252911058863 + ... + 3252911059074.

It is a 1-persistent number, because it is pandigital, but 2⋅689617144501322 = 1379234289002644 is not.

Almost surely, 2^{689617144501322} is an apocalyptic number.

689617144501322 is a deficient number, since it is larger than the sum of its proper divisors (364326038604634).

689617144501322 is a wasteful number, since it uses less digits than its factorization.

689617144501322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505822117992.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 689617144501322 in words is "six hundred eighty-nine trillion, six hundred seventeen billion, one hundred forty-four million, five hundred one thousand, three hundred twenty-two".