689135211 has 12 divisors (see below), whose sum is σ = 995866560. Its totient is φ = 459216240.

The previous prime is 689135191. The next prime is 689135231. The reversal of 689135211 is 112531986.

It is an interprime number because it is at equal distance from previous prime (689135191) and next prime (689135231).

It is not a de Polignac number, because 689135211 - 2⁵ = 689135179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (689135231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5350 + ... + 37508.

It is an arithmetic number, because the mean of its divisors is an integer number (82988880).

Almost surely, 2^689135211 is an apocalyptic number.

689135211 is a deficient number, since it is larger than the sum of its proper divisors (306731349).

689135211 is a wasteful number, since it uses less digits than its factorization.

689135211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34546 (or 34543 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 689135211 is about 26251.3849348944. The cubic root of 689135211 is about 883.2862709312.

The spelling of 689135211 in words is "six hundred eighty-nine million, one hundred thirty-five thousand, two hundred eleven".