39628482709 has 2 divisors, whose sum is σ = 39628482710. Its totient is φ = 39628482708.

The previous prime is 39628482683. The next prime is 39628482727. The reversal of 39628482709 is 90728482693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30731843025 + 8896639684 = 175305^2 + 94322^2 .

It is a cyclic number.

It is not a de Polignac number, because 39628482709 - 2⁷ = 39628482581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39628482209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19814241354 + 19814241355.

It is an arithmetic number, because the mean of its divisors is an integer number (19814241355).

Almost surely, 2^39628482709 is an apocalyptic number.

It is an amenable number.

39628482709 is a deficient number, since it is larger than the sum of its proper divisors (1).

39628482709 is an equidigital number, since it uses as much as digits as its factorization.

39628482709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 39628482709 in words is "thirty-nine billion, six hundred twenty-eight million, four hundred eighty-two thousand, seven hundred nine".