689110719 has 8 divisors (see below), whose sum is σ = 1002342912. Its totient is φ = 417642840.

The previous prime is 689110703. The next prime is 689110769. The reversal of 689110719 is 917011986.

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

It is not a de Polignac number, because 689110719 - 2⁴ = 689110703 is a prime.

It is a super-2 number, since 2×689110719² = 949747166081393922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689110769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10441039 + ... + 10441104.

It is an arithmetic number, because the mean of its divisors is an integer number (125292864).

Almost surely, 2^689110719 is an apocalyptic number.

689110719 is a deficient number, since it is larger than the sum of its proper divisors (313232193).

689110719 is a wasteful number, since it uses less digits than its factorization.

689110719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20882157.

The product of its (nonzero) digits is 27216, while the sum is 42.

The square root of 689110719 is about 26250.9184410755. The cubic root of 689110719 is about 883.2758067517.

The spelling of 689110719 in words is "six hundred eighty-nine million, one hundred ten thousand, seven hundred nineteen".