689241169 has 8 divisors (see below), whose sum is σ = 729714240. Its totient is φ = 649187856.

The previous prime is 689241151. The next prime is 689241199. The reversal of 689241169 is 961142986.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-689241169 is a prime.

It is a super-2 number, since 2×689241169² = 950106778088973122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689241199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101557 + ... + 108130.

It is an arithmetic number, because the mean of its divisors is an integer number (91214280).

Almost surely, 2^689241169 is an apocalyptic number.

It is an amenable number.

689241169 is a deficient number, since it is larger than the sum of its proper divisors (40473071).

689241169 is a wasteful number, since it uses less digits than its factorization.

689241169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209879.

The product of its digits is 186624, while the sum is 46.

The square root of 689241169 is about 26253.4029984686. The cubic root of 689241169 is about 883.3315385114.

The spelling of 689241169 in words is "six hundred eighty-nine million, two hundred forty-one thousand, one hundred sixty-nine".