6835982399 has 16 divisors (see below), whose sum is σ = 7161372000. Its totient is φ = 6516787200.

The previous prime is 6835982381. The next prime is 6835982437. The reversal of 6835982399 is 9932895386.

It is a Cunningham number, because it is equal to 82680²-1.

It is not a de Polignac number, because 6835982399 - 2¹⁶ = 6835916863 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 (6835982359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2396324 + ... + 2399174.

It is an arithmetic number, because the mean of its divisors is an integer number (447585750).

Almost surely, 2^6835982399 is an apocalyptic number.

6835982399 is a deficient number, since it is larger than the sum of its proper divisors (325389601).

6835982399 is a wasteful number, since it uses less digits than its factorization.

6835982399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898.

The product of its digits is 25194240, while the sum is 62.

The square root of 6835982399 is about 82679.9999939526. Note that the first 5 decimals coincide. The cubic root of 6835982399 is about 1897.8722625312.

The spelling of 6835982399 in words is "six billion, eight hundred thirty-five million, nine hundred eighty-two thousand, three hundred ninety-nine".