6999339996 has 144 divisors (see below), whose sum is σ = 19648137600. Its totient is φ = 2083248000.

The previous prime is 6999339989. The next prime is 6999340003.

6999339996 is a `hidden beast` number, since 69 + 9 + 93 + 399 + 96 = 666.

6999339996 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (6999339989) and next prime (6999340003).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 5558815 + ... + 5560073.

It is an arithmetic number, because the mean of its divisors is an integer number (136445400).

Almost surely, 2^6999339996 is an apocalyptic number.

6999339996 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6999339996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9824068800).

6999339996 is an abundant number, since it is smaller than the sum of its proper divisors (12648797604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6999339996 is a wasteful number, since it uses less digits than its factorization.

6999339996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1515 counting only the distinct ones).

The product of its digits is 172186884, while the sum is 72.

The square root of 6999339996 is about 83662.0582821150. The cubic root of 6999339996 is about 1912.8710598241.

The spelling of 6999339996 in words is "six billion, nine hundred ninety-nine million, three hundred thirty-nine thousand, nine hundred ninety-six".