6969999696 has 80 divisors (see below), whose sum is σ = 19670407680. Its totient is φ = 2109144960.

The previous prime is 6969999689. The next prime is 6969999697.

6969999696 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6969999697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381261 + ... + 399123.

It is an arithmetic number, because the mean of its divisors is an integer number (245880096).

Almost surely, 2^6969999696 is an apocalyptic number.

6969999696 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 6969999696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9835203840).

6969999696 is an abundant number, since it is smaller than the sum of its proper divisors (12700407984).

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

6969999696 is a wasteful number, since it uses less digits than its factorization.

6969999696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18624 (or 18618 counting only the distinct ones).

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

The square root of 6969999696 is about 83486.5240383141. The cubic root of 6969999696 is about 1910.1944829056.

The spelling of 6969999696 in words is "six billion, nine hundred sixty-nine million, nine hundred ninety-nine thousand, six hundred ninety-six".