9669649475236 has 27 divisors (see below), whose sum is σ = 17976041463009. Its totient is φ = 4550373528768.

The previous prime is 9669649475197. The next prime is 9669649475323. The reversal of 9669649475236 is 6325749469669.

The square root of 9669649475236 is 3109606.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7528273812900 + 2141375662336 = 2743770^2 + 1463344^2 .

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 105680875 + ... + 105772333.

Almost surely, 2^{9669649475236} is an apocalyptic number.

9669649475236 is the 3109606-th square number.

It is an amenable number.

9669649475236 is a deficient number, since it is larger than the sum of its proper divisors (8306391987773).

9669649475236 is an frugal number, since it uses more digits than its factorization.

9669649475236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182956 (or 91478 counting only the distinct ones).

The product of its digits is 3174474240, while the sum is 76.

The spelling of 9669649475236 in words is "nine trillion, six hundred sixty-nine billion, six hundred forty-nine million, four hundred seventy-five thousand, two hundred thirty-six".