9768612361 has 4 divisors (see below), whose sum is σ = 9855060372. Its totient is φ = 9682164352.

The previous prime is 9768612349. The next prime is 9768612379. The reversal of 9768612361 is 1632168679.

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 3656499961 + 6112112400 = 60469^2 + 78180^2 .

It is a cyclic number.

It is not a de Polignac number, because 9768612361 - 2⁹ = 9768611849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9768612341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43223836 + ... + 43224061.

It is an arithmetic number, because the mean of its divisors is an integer number (2463765093).

Almost surely, 2^9768612361 is an apocalyptic number.

It is an amenable number.

9768612361 is a deficient number, since it is larger than the sum of its proper divisors (86448011).

9768612361 is a wasteful number, since it uses less digits than its factorization.

9768612361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86448010.

The product of its digits is 653184, while the sum is 49.

The square root of 9768612361 is about 98836.2907084235. The cubic root of 9768612361 is about 2137.6878659178.

The spelling of 9768612361 in words is "nine billion, seven hundred sixty-eight million, six hundred twelve thousand, three hundred sixty-one".