6891324196 has 9 divisors (see below), whose sum is σ = 12060107899. Its totient is φ = 3445579084.

The previous prime is 6891324169. The next prime is 6891324203. The reversal of 6891324196 is 6914231986.

It is a happy number.

The square root of 6891324196 is 83014.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 145275 + ... + 186781.

Almost surely, 2^6891324196 is an apocalyptic number.

6891324196 is the 83014-th square number.

It is an amenable number.

6891324196 is a deficient number, since it is larger than the sum of its proper divisors (5168783703).

6891324196 is an frugal number, since it uses more digits than its factorization.

6891324196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83018 (or 41509 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The cubic root of 6891324196 is about 1902.9800139227.

Multiplying 6891324196 by its sum of digits (49), we get a square (337674885604 = 581098²).

The spelling of 6891324196 in words is "six billion, eight hundred ninety-one million, three hundred twenty-four thousand, one hundred ninety-six".