39920001169605 has 16 divisors (see below), whose sum is σ = 63895202809920. Its totient is φ = 21282933644288.

The previous prime is 39920001169597. The next prime is 39920001169621. The reversal of 39920001169605 is 50696110002993.

39920001169605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 39920001169605 - 2³ = 39920001169597 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483310215 + ... + 483392804.

It is an arithmetic number, because the mean of its divisors is an integer number (3993450175620).

Almost surely, 2^{39920001169605} is an apocalyptic number.

It is an amenable number.

39920001169605 is a deficient number, since it is larger than the sum of its proper divisors (23975201640315).

39920001169605 is a wasteful number, since it uses less digits than its factorization.

39920001169605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966705780.

The product of its (nonzero) digits is 787320, while the sum is 51.

The spelling of 39920001169605 in words is "thirty-nine trillion, nine hundred twenty billion, one million, one hundred sixty-nine thousand, six hundred five".