39399478471673 has 8 divisors (see below), whose sum is σ = 42484675117920. Its totient is φ = 36415435813920.

The previous prime is 39399478471669. The next prime is 39399478471687. The reversal of 39399478471673 is 37617487499393.

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 39399478471673 - 2² = 39399478471669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39399478071673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25288496315 + ... + 25288497872.

It is an arithmetic number, because the mean of its divisors is an integer number (5310584389740).

Almost surely, 2^{39399478471673} is an apocalyptic number.

It is an amenable number.

39399478471673 is a deficient number, since it is larger than the sum of its proper divisors (3085196646247).

39399478471673 is a wasteful number, since it uses less digits than its factorization.

39399478471673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50576994247.

The product of its digits is 5184974592, while the sum is 80.

The spelling of 39399478471673 in words is "thirty-nine trillion, three hundred ninety-nine billion, four hundred seventy-eight million, four hundred seventy-one thousand, six hundred seventy-three".