6996996996 has 24 divisors (see below), whose sum is σ = 17810538144. Its totient is φ = 2120302080.

The previous prime is 6996996989. The next prime is 6996997001.

6996996996 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26503645 + ... + 26503908.

It is an arithmetic number, because the mean of its divisors is an integer number (742105756).

Almost surely, 2^6996996996 is an apocalyptic number.

6996996996 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6996996996 is an abundant number, since it is smaller than the sum of its proper divisors (10813541148).

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

6996996996 is a wasteful number, since it uses less digits than its factorization.

6996996996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53007571 (or 53007569 counting only the distinct ones).

The product of its digits is 688747536, while the sum is 78.

The square root of 6996996996 is about 83648.0543467689. The cubic root of 6996996996 is about 1912.6575941219.

The spelling of 6996996996 in words is "six billion, nine hundred ninety-six million, nine hundred ninety-six thousand, nine hundred ninety-six".