39381671438 has 8 divisors (see below), whose sum is σ = 60978072000. Its totient is φ = 19055647440.

The previous prime is 39381671429. The next prime is 39381671477. The reversal of 39381671438 is 83417618393.

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

It is a self number, because there is not a number n which added to its sum of digits gives 39381671438.

It is a congruent number.

It is an unprimeable number.

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, 317594063 + ... + 317594186.

It is an arithmetic number, because the mean of its divisors is an integer number (7622259000).

Almost surely, 2^39381671438 is an apocalyptic number.

39381671438 is a deficient number, since it is larger than the sum of its proper divisors (21596400562).

39381671438 is a wasteful number, since it uses less digits than its factorization.

39381671438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635188282.

The product of its digits is 2612736, while the sum is 53.

The spelling of 39381671438 in words is "thirty-nine billion, three hundred eighty-one million, six hundred seventy-one thousand, four hundred thirty-eight".