9791669841 has 8 divisors (see below), whose sum is σ = 13056180384. Its totient is φ = 6527469600.

The previous prime is 9791669837. The next prime is 9791669851. The reversal of 9791669841 is 1489661979.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9791669841 - 2² = 9791669837 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9791669851) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10266 + ... + 140316.

It is an arithmetic number, because the mean of its divisors is an integer number (1632022548).

Almost surely, 2^9791669841 is an apocalyptic number.

It is an amenable number.

9791669841 is a deficient number, since it is larger than the sum of its proper divisors (3264510543).

9791669841 is a wasteful number, since it uses less digits than its factorization.

9791669841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155151.

The product of its digits is 5878656, while the sum is 60.

The square root of 9791669841 is about 98952.8667649402. The cubic root of 9791669841 is about 2139.3684514377.

The spelling of 9791669841 in words is "nine billion, seven hundred ninety-one million, six hundred sixty-nine thousand, eight hundred forty-one".