969696969696 has 576 divisors, whose sum is σ = 3520534582656. Its totient is φ = 246343680000.

The previous prime is 969696969673. The next prime is 969696969701. The reversal of 969696969696 is 696969696969.

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

It is an alternating number because its digits alternate between odd and even.

969696969696 is a strobogrammatic number because it is the same when read upside-down.

969696969696 is an undulating number in base 10.

969696969696 is a modest number, since divided by 96969696 gives 9696 as remainder.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 97934346 + ... + 97944246.

It is an arithmetic number, because the mean of its divisors is an integer number (6112039206).

Almost surely, 2^969696969696 is an apocalyptic number.

969696969696 is a gapful number since it is divisible by the number (96) 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 969696969696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1760267291328).

969696969696 is an abundant number, since it is smaller than the sum of its proper divisors (2550837612960).

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

969696969696 is a wasteful number, since it uses less digits than its factorization.

969696969696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10075 (or 10064 counting only the distinct ones).

The product of its digits is 24794911296, while the sum is 90.

The spelling of 969696969696 in words is "nine hundred sixty-nine billion, six hundred ninety-six million, nine hundred sixty-nine thousand, six hundred ninety-six".