9615973313 has 4 divisors (see below), whose sum is σ = 10181618820. Its totient is φ = 9050327808.

The previous prime is 9615973309. The next prime is 9615973361. The reversal of 9615973313 is 3133795169.

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 9027280144 + 588693169 = 95012^2 + 24263^2 .

It is not a de Polignac number, because 9615973313 - 2² = 9615973309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9615973363) 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, 282822728 + ... + 282822761.

It is an arithmetic number, because the mean of its divisors is an integer number (2545404705).

Almost surely, 2^9615973313 is an apocalyptic number.

It is an amenable number.

9615973313 is a deficient number, since it is larger than the sum of its proper divisors (565645507).

9615973313 is a wasteful number, since it uses less digits than its factorization.

9615973313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565645506.

The product of its digits is 459270, while the sum is 47.

The square root of 9615973313 is about 98061.0693037762. The cubic root of 9615973313 is about 2126.4952475500.

The spelling of 9615973313 in words is "nine billion, six hundred fifteen million, nine hundred seventy-three thousand, three hundred thirteen".