689519122 has 16 divisors (see below), whose sum is σ = 1049271552. Its totient is φ = 339793200.

The previous prime is 689519111. The next prime is 689519141. The reversal of 689519122 is 221915986.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37393 + ... + 52699.

It is an arithmetic number, because the mean of its divisors is an integer number (65579472).

Almost surely, 2^689519122 is an apocalyptic number.

689519122 is a deficient number, since it is larger than the sum of its proper divisors (359752430).

689519122 is a wasteful number, since it uses less digits than its factorization.

689519122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15633.

The product of its digits is 77760, while the sum is 43.

The square root of 689519122 is about 26258.6961214756. The cubic root of 689519122 is about 883.4502640824.

The spelling of 689519122 in words is "six hundred eighty-nine million, five hundred nineteen thousand, one hundred twenty-two".