9768612349 has 2 divisors, whose sum is σ = 9768612350. Its totient is φ = 9768612348.

The previous prime is 9768612341. The next prime is 9768612379. The reversal of 9768612349 is 9432168679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9715059225 + 53553124 = 98565^2 + 7318^2 .

It is a cyclic number.

It is not a de Polignac number, because 9768612349 - 2³ = 9768612341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9768612349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9768612341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4884306174 + 4884306175.

It is an arithmetic number, because the mean of its divisors is an integer number (4884306175).

Almost surely, 2^9768612349 is an apocalyptic number.

It is an amenable number.

9768612349 is a deficient number, since it is larger than the sum of its proper divisors (1).

9768612349 is an equidigital number, since it uses as much as digits as its factorization.

9768612349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 55.

The square root of 9768612349 is about 98836.2906477170. The cubic root of 9768612349 is about 2137.6878650425.

It can be divided in two parts, 976 and 8612349, that added together give a triangular number (8613325 = T₄₁₅₀).

The spelling of 9768612349 in words is "nine billion, seven hundred sixty-eight million, six hundred twelve thousand, three hundred forty-nine".