39855707713 has 8 divisors (see below), whose sum is σ = 41996337120. Its totient is φ = 37719374400.

The previous prime is 39855707701. The next prime is 39855707719. The reversal of 39855707713 is 31770755893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39855707713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39855707719) 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 7 ways as a sum of consecutive naturals, for example, 1054963 + ... + 1092088.

It is an arithmetic number, because the mean of its divisors is an integer number (5249542140).

Almost surely, 2^39855707713 is an apocalyptic number.

It is an amenable number.

39855707713 is a deficient number, since it is larger than the sum of its proper divisors (2140629407).

39855707713 is a wasteful number, since it uses less digits than its factorization.

39855707713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148047.

The product of its (nonzero) digits is 5556600, while the sum is 55.

The spelling of 39855707713 in words is "thirty-nine billion, eight hundred fifty-five million, seven hundred seven thousand, seven hundred thirteen".