9790616209 has 4 divisors (see below), whose sum is σ = 10680672240. Its totient is φ = 8900560180.

The previous prime is 9790616179. The next prime is 9790616221. The reversal of 9790616209 is 9026160979.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9790616209 - 2⁵ = 9790616177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9790610209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445027999 + ... + 445028020.

It is an arithmetic number, because the mean of its divisors is an integer number (2670168060).

Almost surely, 2^9790616209 is an apocalyptic number.

It is an amenable number.

9790616209 is a deficient number, since it is larger than the sum of its proper divisors (890056031).

9790616209 is a wasteful number, since it uses less digits than its factorization.

9790616209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890056030.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 9790616209 is about 98947.5427132983. The cubic root of 9790616209 is about 2139.2917131505.

The spelling of 9790616209 in words is "nine billion, seven hundred ninety million, six hundred sixteen thousand, two hundred nine".