39049504717 has 2 divisors, whose sum is σ = 39049504718. Its totient is φ = 39049504716.

The previous prime is 39049504709. The next prime is 39049504723. The reversal of 39049504717 is 71740594093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38379160836 + 670343881 = 195906^2 + 25891^2 .

It is a cyclic number.

It is not a de Polignac number, because 39049504717 - 2³ = 39049504709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39049504757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19524752358 + 19524752359.

It is an arithmetic number, because the mean of its divisors is an integer number (19524752359).

Almost surely, 2^39049504717 is an apocalyptic number.

It is an amenable number.

39049504717 is a deficient number, since it is larger than the sum of its proper divisors (1).

39049504717 is an equidigital number, since it uses as much as digits as its factorization.

39049504717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 39049504717 in words is "thirty-nine billion, forty-nine million, five hundred four thousand, seven hundred seventeen".