9628099361 has 2 divisors, whose sum is σ = 9628099362. Its totient is φ = 9628099360.

The previous prime is 9628099291. The next prime is 9628099421. The reversal of 9628099361 is 1639908269.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9557017600 + 71081761 = 97760^2 + 8431^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9628099361 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9628099561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4814049680 + 4814049681.

It is an arithmetic number, because the mean of its divisors is an integer number (4814049681).

Almost surely, 2^9628099361 is an apocalyptic number.

It is an amenable number.

9628099361 is a deficient number, since it is larger than the sum of its proper divisors (1).

9628099361 is an equidigital number, since it uses as much as digits as its factorization.

9628099361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 9628099361 is about 98122.8788866287. The cubic root of 9628099361 is about 2127.3887314512.

The spelling of 9628099361 in words is "nine billion, six hundred twenty-eight million, ninety-nine thousand, three hundred sixty-one".