39606966205 has 8 divisors (see below), whose sum is σ = 47538166104. Its totient is φ = 31679035200.

The previous prime is 39606966193. The next prime is 39606966209. The reversal of 39606966205 is 50266960693.

It can be written as a sum of positive squares in 4 ways, for example, as 18755028601 + 20851937604 = 136949^2 + 144402^2 .

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

It is not a de Polignac number, because 39606966205 - 2¹⁵ = 39606933437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39606966209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790486 + ... + 839095.

It is an arithmetic number, because the mean of its divisors is an integer number (5942270763).

Almost surely, 2^39606966205 is an apocalyptic number.

It is an amenable number.

39606966205 is a deficient number, since it is larger than the sum of its proper divisors (7931199899).

39606966205 is a wasteful number, since it uses less digits than its factorization.

39606966205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634447.

The product of its (nonzero) digits is 3149280, while the sum is 52.

The spelling of 39606966205 in words is "thirty-nine billion, six hundred six million, nine hundred sixty-six thousand, two hundred five".