39768229593 has 6 divisors (see below), whose sum is σ = 57442998314. Its totient is φ = 26512153056.

The previous prime is 39768229577. The next prime is 39768229597. The reversal of 39768229593 is 39592286793.

39768229593 is a `hidden beast` number, since 39 + 7 + 6 + 8 + 2 + 2 + 9 + 593 = 666.

It can be written as a sum of positive squares in only one way, i.e., 39470563584 + 297666009 = 198672^2 + 17253^2 .

It is not a de Polignac number, because 39768229593 - 2⁴ = 39768229577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39768229593.

It is not an unprimeable number, because it can be changed into a prime (39768229597) 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 in 5 ways as a sum of consecutive naturals, for example, 2209346080 + ... + 2209346097.

Almost surely, 2^39768229593 is an apocalyptic number.

It is an amenable number.

39768229593 is a deficient number, since it is larger than the sum of its proper divisors (17674768721).

39768229593 is a wasteful number, since it uses less digits than its factorization.

39768229593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418692183 (or 4418692180 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

It can be divided in two parts, 39768 and 229593, that added together give a square (269361 = 519²).

The spelling of 39768229593 in words is "thirty-nine billion, seven hundred sixty-eight million, two hundred twenty-nine thousand, five hundred ninety-three".