39930344671 has 8 divisors (see below), whose sum is σ = 45650455200. Its totient is φ = 34214178048.

The previous prime is 39930344591. The next prime is 39930344683. The reversal of 39930344671 is 17644303993.

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

It is a cyclic number.

It is not a de Polignac number, because 39930344671 - 2¹⁹ = 39929820383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39930944671) 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 7 ways as a sum of consecutive naturals, for example, 964246 + ... + 1004803.

It is an arithmetic number, because the mean of its divisors is an integer number (5706306900).

Almost surely, 2^39930344671 is an apocalyptic number.

39930344671 is a deficient number, since it is larger than the sum of its proper divisors (5720110529).

39930344671 is a wasteful number, since it uses less digits than its factorization.

39930344671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971953.

The product of its (nonzero) digits is 1469664, while the sum is 49.

The spelling of 39930344671 in words is "thirty-nine billion, nine hundred thirty million, three hundred forty-four thousand, six hundred seventy-one".