3968618968929 has 16 divisors (see below), whose sum is σ = 5591449958400. Its totient is φ = 2498679193296.

The previous prime is 3968618968907. The next prime is 3968618968987. The reversal of 3968618968929 is 9298698168693.

It is a happy number.

3968618968929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3968618968929 - 2⁹ = 3968618968417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3968618968529) 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, 364021239 + ... + 364032140.

It is an arithmetic number, because the mean of its divisors is an integer number (349465622400).

Almost surely, 2^{3968618968929} is an apocalyptic number.

It is an amenable number.

3968618968929 is a deficient number, since it is larger than the sum of its proper divisors (1622830989471).

3968618968929 is a wasteful number, since it uses less digits than its factorization.

3968618968929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728053484.

The product of its digits is 4353564672, while the sum is 84.

The spelling of 3968618968929 in words is "three trillion, nine hundred sixty-eight billion, six hundred eighteen million, nine hundred sixty-eight thousand, nine hundred twenty-nine".