39684048693 has 16 divisors (see below), whose sum is σ = 55017601536. Its totient is φ = 25415723520.

The previous prime is 39684048661. The next prime is 39684048721.

39684048693 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 39684048693 - 2⁵ = 39684048661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39684048293) 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 15 ways as a sum of consecutive naturals, for example, 1544596 + ... + 1570077.

It is an arithmetic number, because the mean of its divisors is an integer number (3438600096).

Almost surely, 2^39684048693 is an apocalyptic number.

It is an amenable number.

39684048693 is a deficient number, since it is larger than the sum of its proper divisors (15333552843).

39684048693 is a wasteful number, since it uses less digits than its factorization.

39684048693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114844.

The product of its (nonzero) digits is 26873856, while the sum is 60.

The spelling of 39684048693 in words is "thirty-nine billion, six hundred eighty-four million, forty-eight thousand, six hundred ninety-three".