3968579292865 has 16 divisors (see below), whose sum is σ = 5305767909120. Its totient is φ = 2824830133120.

The previous prime is 3968579292863. The next prime is 3968579292893. The reversal of 3968579292865 is 5682929758693.

It is not a de Polignac number, because 3968579292865 - 2¹ = 3968579292863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3968579292863) 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 15 ways as a sum of consecutive naturals, for example, 767614300 + ... + 767619469.

It is an arithmetic number, because the mean of its divisors is an integer number (331610494320).

Almost surely, 2^{3968579292865} is an apocalyptic number.

It is an amenable number.

3968579292865 is a deficient number, since it is larger than the sum of its proper divisors (1337188616255).

3968579292865 is a wasteful number, since it uses less digits than its factorization.

3968579292865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535233832.

The product of its digits is 3527193600, while the sum is 79.

The spelling of 3968579292865 in words is "three trillion, nine hundred sixty-eight billion, five hundred seventy-nine million, two hundred ninety-two thousand, eight hundred sixty-five".