39217690412 has 12 divisors (see below), whose sum is σ = 68933298840. Its totient is φ = 19522462176.

The previous prime is 39217690409. The next prime is 39217690417. The reversal of 39217690412 is 21409671293.

It is not an unprimeable number, because it can be changed into a prime (39217690417) 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 3 ways as a sum of consecutive naturals, for example, 21594737 + ... + 21596552.

It is an arithmetic number, because the mean of its divisors is an integer number (5744441570).

Almost surely, 2^39217690412 is an apocalyptic number.

It is an amenable number.

39217690412 is a deficient number, since it is larger than the sum of its proper divisors (29715608428).

39217690412 is a wasteful number, since it uses less digits than its factorization.

39217690412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43191520 (or 43191518 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 39217690412 in words is "thirty-nine billion, two hundred seventeen million, six hundred ninety thousand, four hundred twelve".