9639900339066 has 12 divisors (see below), whose sum is σ = 20886450734682. Its totient is φ = 3213300113016.

The previous prime is 9639900339061. The next prime is 9639900339071. The reversal of 9639900339066 is 6609330099369.

It is an interprime number because it is at equal distance from previous prime (9639900339061) and next prime (9639900339071).

It can be written as a sum of positive squares in only one way, i.e., 7466944270041 + 2172956069025 = 2732571^2 + 1474095^2 .

It is a super-3 number, since 3×9639900339066³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9639900338994 and 9639900339012.

It is not an unprimeable number, because it can be changed into a prime (9639900339061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 267775009401 + ... + 267775009436.

Almost surely, 2^{9639900339066} is an apocalyptic number.

9639900339066 is an abundant number, since it is smaller than the sum of its proper divisors (11246550395616).

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

9639900339066 is a wasteful number, since it uses less digits than its factorization.

9639900339066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535550018845 (or 535550018842 counting only the distinct ones).

The product of its (nonzero) digits is 38263752, while the sum is 63.

The spelling of 9639900339066 in words is "nine trillion, six hundred thirty-nine billion, nine hundred million, three hundred thirty-nine thousand, sixty-six".