39656682071 has 16 divisors (see below), whose sum is σ = 40782268800. Its totient is φ = 38543466240.

The previous prime is 39656682047. The next prime is 39656682073. The reversal of 39656682071 is 17028665693.

It is a cyclic number.

It is not a de Polignac number, because 39656682071 - 2¹⁰ = 39656681047 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 (39656682073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6777155 + ... + 6783003.

It is an arithmetic number, because the mean of its divisors is an integer number (2548891800).

Almost surely, 2^39656682071 is an apocalyptic number.

39656682071 is a deficient number, since it is larger than the sum of its proper divisors (1125586729).

39656682071 is a wasteful number, since it uses less digits than its factorization.

39656682071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6874.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 39656682071 in words is "thirty-nine billion, six hundred fifty-six million, six hundred eighty-two thousand, seventy-one".