39628482209 has 2 divisors, whose sum is σ = 39628482210. Its totient is φ = 39628482208.

The previous prime is 39628482199. The next prime is 39628482217. The reversal of 39628482209 is 90228482693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39624883600 + 3598609 = 199060^2 + 1897^2 .

It is an emirp because it is prime and its reverse (90228482693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39628482209 - 2⁴ = 39628482193 is a prime.

It is not a weakly prime, because it can be changed into another prime (39628482409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19814241104 + 19814241105.

It is an arithmetic number, because the mean of its divisors is an integer number (19814241105).

Almost surely, 2^39628482209 is an apocalyptic number.

It is an amenable number.

39628482209 is a deficient number, since it is larger than the sum of its proper divisors (1).

39628482209 is an equidigital number, since it uses as much as digits as its factorization.

39628482209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 39628482209 in words is "thirty-nine billion, six hundred twenty-eight million, four hundred eighty-two thousand, two hundred nine".