689066692 has 36 divisors (see below), whose sum is σ = 1276746240. Its totient is φ = 325356912.

The previous prime is 689066687. The next prime is 689066713. The reversal of 689066692 is 296660986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 633373 + ... + 634459.

Almost surely, 2^689066692 is an apocalyptic number.

It is an amenable number.

689066692 is a deficient number, since it is larger than the sum of its proper divisors (587679548).

689066692 is a wasteful number, since it uses less digits than its factorization.

689066692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 689066692 is about 26250.0798474976. The cubic root of 689066692 is about 883.2569956419.

The spelling of 689066692 in words is "six hundred eighty-nine million, sixty-six thousand, six hundred ninety-two".