6696387919 has 8 divisors (see below), whose sum is σ = 7285841360. Its totient is φ = 6117555456.

The previous prime is 6696387917. The next prime is 6696387931. The reversal of 6696387919 is 9197836966.

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

It is a cyclic number.

It is not a de Polignac number, because 6696387919 - 2¹ = 6696387917 is a prime.

It is a super-2 number, since 2×6696387919² = 89683222323458301122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6696387917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2653929 + ... + 2656450.

It is an arithmetic number, because the mean of its divisors is an integer number (910730170).

Almost surely, 2^6696387919 is an apocalyptic number.

6696387919 is a deficient number, since it is larger than the sum of its proper divisors (589453441).

6696387919 is a wasteful number, since it uses less digits than its factorization.

6696387919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310489.

The product of its digits is 26453952, while the sum is 64.

The square root of 6696387919 is about 81831.4604476787. The cubic root of 6696387919 is about 1884.8647886185.

The spelling of 6696387919 in words is "six billion, six hundred ninety-six million, three hundred eighty-seven thousand, nine hundred nineteen".