3939442794694 has 16 divisors (see below), whose sum is σ = 6583517554176. Its totient is φ = 1752556755400.

The previous prime is 3939442794689. The next prime is 3939442794701. The reversal of 3939442794694 is 4964972449393.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1904951962 + ... + 1904954029.

It is an arithmetic number, because the mean of its divisors is an integer number (411469847136).

Almost surely, 2^{3939442794694} is an apocalyptic number.

3939442794694 is a deficient number, since it is larger than the sum of its proper divisors (2644074759482).

3939442794694 is a wasteful number, since it uses less digits than its factorization.

3939442794694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809906051.

The product of its digits is 1269789696, while the sum is 73.

The spelling of 3939442794694 in words is "three trillion, nine hundred thirty-nine billion, four hundred forty-two million, seven hundred ninety-four thousand, six hundred ninety-four".