689831233134 has 32 divisors (see below), whose sum is σ = 1417065891840. Its totient is φ = 223710851232.

The previous prime is 689831233033. The next prime is 689831233177. The reversal of 689831233134 is 431332138986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2757007 + ... + 2996789.

It is an arithmetic number, because the mean of its divisors is an integer number (44283309120).

Almost surely, 2^689831233134 is an apocalyptic number.

689831233134 is an abundant number, since it is smaller than the sum of its proper divisors (727234658706).

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

689831233134 is a wasteful number, since it uses less digits than its factorization.

689831233134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252784.

The product of its digits is 2239488, while the sum is 51.

The spelling of 689831233134 in words is "six hundred eighty-nine billion, eight hundred thirty-one million, two hundred thirty-three thousand, one hundred thirty-four".