39064380638 has 16 divisors (see below), whose sum is σ = 58868175600. Its totient is φ = 19441713216.

The previous prime is 39064380637. The next prime is 39064380643. The reversal of 39064380638 is 83608346093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39064380637) 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, 1528388 + ... + 1553736.

It is an arithmetic number, because the mean of its divisors is an integer number (3679260975).

Almost surely, 2^39064380638 is an apocalyptic number.

39064380638 is a deficient number, since it is larger than the sum of its proper divisors (19803794962).

39064380638 is a wasteful number, since it uses less digits than its factorization.

39064380638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28891.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 39064380638 in words is "thirty-nine billion, sixty-four million, three hundred eighty thousand, six hundred thirty-eight".