6338394639237 has 64 divisors (see below), whose sum is σ = 8930176335360. Its totient is φ = 3991120809984.

The previous prime is 6338394639217. The next prime is 6338394639263. The reversal of 6338394639237 is 7329364938336.

It is not a de Polignac number, because 6338394639237 - 2¹⁴ = 6338394622853 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6338394639217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1708920939 + ... + 1708924647.

It is an arithmetic number, because the mean of its divisors is an integer number (139534005240).

Almost surely, 2^{6338394639237} is an apocalyptic number.

It is an amenable number.

6338394639237 is a deficient number, since it is larger than the sum of its proper divisors (2591781696123).

6338394639237 is a wasteful number, since it uses less digits than its factorization.

6338394639237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782.

The product of its digits is 317447424, while the sum is 66.

The spelling of 6338394639237 in words is "six trillion, three hundred thirty-eight billion, three hundred ninety-four million, six hundred thirty-nine thousand, two hundred thirty-seven".