9669722752 has 16 divisors (see below), whose sum is σ = 19263901050. Its totient is φ = 4834861312.

The previous prime is 9669722743. The next prime is 9669722753. The reversal of 9669722752 is 2572279669.

It can be written as a sum of positive squares in only one way, i.e., 7566216256 + 2103506496 = 86984^2 + 45864^2 .

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

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9669722693 and 9669722702.

It is not an unprimeable number, because it can be changed into a prime (9669722753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37772227 + ... + 37772482.

Almost surely, 2^9669722752 is an apocalyptic number.

It is an amenable number.

9669722752 is a deficient number, since it is larger than the sum of its proper divisors (9594178298).

9669722752 is an equidigital number, since it uses as much as digits as its factorization.

9669722752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75544723 (or 75544711 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 55.

The square root of 9669722752 is about 98334.7484463147. The cubic root of 9669722752 is about 2130.4499737769.

The spelling of 9669722752 in words is "nine billion, six hundred sixty-nine million, seven hundred twenty-two thousand, seven hundred fifty-two".