9616820319 has 6 divisors (see below), whose sum is σ = 13890962696. Its totient is φ = 6411213540.

The previous prime is 9616820309. The next prime is 9616820333. The reversal of 9616820319 is 9130286169.

It is a happy number.

9616820319 is a `hidden beast` number, since 9 + 616 + 8 + 20 + 3 + 1 + 9 = 666.

9616820319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9616820319 - 2¹⁶ = 9616754783 is a prime.

It is a super-2 number, since 2×9616820319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9616820309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 534267787 + ... + 534267804.

Almost surely, 2^9616820319 is an apocalyptic number.

9616820319 is a deficient number, since it is larger than the sum of its proper divisors (4274142377).

9616820319 is a wasteful number, since it uses less digits than its factorization.

9616820319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068535597 (or 1068535594 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 9616820319 is about 98065.3879765945. The cubic root of 9616820319 is about 2126.5576819077.

The spelling of 9616820319 in words is "nine billion, six hundred sixteen million, eight hundred twenty thousand, three hundred nineteen".