969693689728 has 16 divisors (see below), whose sum is σ = 1931811647760. Its totient is φ = 484846844800.

The previous prime is 969693689633. The next prime is 969693689729. The reversal of 969693689728 is 827986396969.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969693689729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3787865848 + ... + 3787866103.

It is an arithmetic number, because the mean of its divisors is an integer number (120738227985).

Almost surely, 2^969693689728 is an apocalyptic number.

It is an amenable number.

969693689728 is a deficient number, since it is larger than the sum of its proper divisors (962117958032).

969693689728 is an equidigital number, since it uses as much as digits as its factorization.

969693689728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7575731965 (or 7575731953 counting only the distinct ones).

The product of its digits is 3809369088, while the sum is 82.

The spelling of 969693689728 in words is "nine hundred sixty-nine billion, six hundred ninety-three million, six hundred eighty-nine thousand, seven hundred twenty-eight".