9666374485 has 4 divisors (see below), whose sum is σ = 11599649388. Its totient is φ = 7733099584.

The previous prime is 9666374401. The next prime is 9666374491. The reversal of 9666374485 is 5844736669.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7725355236 + 1941019249 = 87894^2 + 44057^2 .

It is a cyclic number.

It is not a de Polignac number, because 9666374485 - 2²³ = 9657985877 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966637444 + ... + 966637453.

It is an arithmetic number, because the mean of its divisors is an integer number (2899912347).

Almost surely, 2^9666374485 is an apocalyptic number.

It is an amenable number.

9666374485 is a deficient number, since it is larger than the sum of its proper divisors (1933274903).

9666374485 is a wasteful number, since it uses less digits than its factorization.

9666374485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933274902.

The product of its digits is 26127360, while the sum is 58.

The square root of 9666374485 is about 98317.7221308549. The cubic root of 9666374485 is about 2130.2040467385.

The spelling of 9666374485 in words is "nine billion, six hundred sixty-six million, three hundred seventy-four thousand, four hundred eighty-five".