6991441996 has 24 divisors (see below), whose sum is σ = 15254055936. Its totient is φ = 2723938320.

The previous prime is 6991441991. The next prime is 6991441999.

6991441996 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6991441996² = 97760522366864928032, which contains 22 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6991441996.

It is not an unprimeable number, because it can be changed into a prime (6991441991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11349436 + ... + 11350051.

It is an arithmetic number, because the mean of its divisors is an integer number (635585664).

Almost surely, 2^6991441996 is an apocalyptic number.

It is an amenable number.

6991441996 is an abundant number, since it is smaller than the sum of its proper divisors (8262613940).

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

6991441996 is a wasteful number, since it uses less digits than its factorization.

6991441996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22699509 (or 22699507 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 58.

The square root of 6991441996 is about 83614.8431559852. The cubic root of 6991441996 is about 1912.1512994975.

The spelling of 6991441996 in words is "six billion, nine hundred ninety-one million, four hundred forty-one thousand, nine hundred ninety-six".