39604434873 has 16 divisors (see below), whose sum is σ = 55112064000. Its totient is φ = 25250307984.

The previous prime is 39604434839. The next prime is 39604434887. The reversal of 39604434873 is 37843440693.

It is not a de Polignac number, because 39604434873 - 2¹⁰ = 39604433849 is a prime.

It is a super-2 number, since 2×39604434873² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39604434073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341628 + ... + 442626.

It is an arithmetic number, because the mean of its divisors is an integer number (3444504000).

Almost surely, 2^39604434873 is an apocalyptic number.

It is an amenable number.

39604434873 is a deficient number, since it is larger than the sum of its proper divisors (15507629127).

39604434873 is a wasteful number, since it uses less digits than its factorization.

39604434873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106708.

The product of its (nonzero) digits is 5225472, while the sum is 51.

The spelling of 39604434873 in words is "thirty-nine billion, six hundred four million, four hundred thirty-four thousand, eight hundred seventy-three".