1689039034 has 16 divisors (see below), whose sum is σ = 2597020776. Its totient is φ = 823392000.

The previous prime is 1689039031. The next prime is 1689039073. The reversal of 1689039034 is 4309309861.

It can be written as a sum of positive squares in 4 ways, for example, as 512343225 + 1176695809 = 22635^2 + 34303^2 .

It is not an unprimeable number, because it can be changed into a prime (1689039031) 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, 141964 + ... + 153400.

Almost surely, 2^1689039034 is an apocalyptic number.

1689039034 is a deficient number, since it is larger than the sum of its proper divisors (907981742).

1689039034 is a wasteful number, since it uses less digits than its factorization.

1689039034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13281.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1689039034 is about 41097.9200690254. The cubic root of 1689039034 is about 1190.9126144367.

The spelling of 1689039034 in words is "one billion, six hundred eighty-nine million, thirty-nine thousand, thirty-four".