689033694927 has 8 divisors (see below), whose sum is σ = 918740166400. Its totient is φ = 459341510040.

The previous prime is 689033694911. The next prime is 689033694941. The reversal of 689033694927 is 729496330986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 689033694927 - 2⁴ = 689033694911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689033694527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3458599 + ... + 3652392.

It is an arithmetic number, because the mean of its divisors is an integer number (114842520800).

Almost surely, 2^689033694927 is an apocalyptic number.

689033694927 is a deficient number, since it is larger than the sum of its proper divisors (229706471473).

689033694927 is a wasteful number, since it uses less digits than its factorization.

689033694927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7143293.

The product of its (nonzero) digits is 105815808, while the sum is 66.

The spelling of 689033694927 in words is "six hundred eighty-nine billion, thirty-three million, six hundred ninety-four thousand, nine hundred twenty-seven".