6966681789 has 16 divisors (see below), whose sum is σ = 9542489472. Its totient is φ = 4517731008.

The previous prime is 6966681773. The next prime is 6966681793. The reversal of 6966681789 is 9871866696.

It is not a de Polignac number, because 6966681789 - 2⁴ = 6966681773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6966686789) 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, 636487 + ... + 647339.

It is an arithmetic number, because the mean of its divisors is an integer number (596405592).

Almost surely, 2^6966681789 is an apocalyptic number.

It is an amenable number.

6966681789 is a deficient number, since it is larger than the sum of its proper divisors (2575807683).

6966681789 is a wasteful number, since it uses less digits than its factorization.

6966681789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16676.

The product of its digits is 47029248, while the sum is 66.

The square root of 6966681789 is about 83466.6507594500. The cubic root of 6966681789 is about 1909.8913335105.

The spelling of 6966681789 in words is "six billion, nine hundred sixty-six million, six hundred eighty-one thousand, seven hundred eighty-nine".