6890000689 has 16 divisors (see below), whose sum is σ = 8247282624. Its totient is φ = 5672721600.

The previous prime is 6890000659. The next prime is 6890000713. The reversal of 6890000689 is 9860000986.

It is a happy number.

It is not a de Polignac number, because 6890000689 - 2⁵ = 6890000657 is a prime.

6890000689 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6890000629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446967 + ... + 462124.

It is an arithmetic number, because the mean of its divisors is an integer number (515455164).

Almost surely, 2^6890000689 is an apocalyptic number.

It is an amenable number.

6890000689 is a deficient number, since it is larger than the sum of its proper divisors (1357281935).

6890000689 is a wasteful number, since it uses less digits than its factorization.

6890000689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909168.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 6890000689 is about 83006.0280280896. The cubic root of 6890000689 is about 1902.8581810910.

It can be divided in two parts, 6890000 and 689, that multiplied together give a square (4747210000 = 68900²).

The spelling of 6890000689 in words is "six billion, eight hundred ninety million, six hundred eighty-nine", and thus it is an aban number.