39982339671 has 4 divisors (see below), whose sum is σ = 53309786232. Its totient is φ = 26654893112.

The previous prime is 39982339667. The next prime is 39982339681. The reversal of 39982339671 is 17693328993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17693328993 = 3 ⋅5897776331.

It is a cyclic number.

It is not a de Polignac number, because 39982339671 - 2² = 39982339667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39982339681) 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 3 ways as a sum of consecutive naturals, for example, 6663723276 + ... + 6663723281.

It is an arithmetic number, because the mean of its divisors is an integer number (13327446558).

Almost surely, 2^39982339671 is an apocalyptic number.

39982339671 is a deficient number, since it is larger than the sum of its proper divisors (13327446561).

39982339671 is a wasteful number, since it uses less digits than its factorization.

39982339671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13327446560.

The product of its digits is 13226976, while the sum is 60.

The spelling of 39982339671 in words is "thirty-nine billion, nine hundred eighty-two million, three hundred thirty-nine thousand, six hundred seventy-one".