39695938216 has 64 divisors (see below), whose sum is σ = 83859701760. Its totient is φ = 17452344000.

The previous prime is 39695938193. The next prime is 39695938229. The reversal of 39695938216 is 61283959693.

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 15 ways as a sum of consecutive naturals, for example, 9292161 + ... + 9296431.

It is an arithmetic number, because the mean of its divisors is an integer number (1310307840).

Almost surely, 2^39695938216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39695938216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41929850880).

39695938216 is an abundant number, since it is smaller than the sum of its proper divisors (44163763544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39695938216 is a wasteful number, since it uses less digits than its factorization.

39695938216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726 (or 7722 counting only the distinct ones).

The product of its digits is 18895680, while the sum is 61.

The spelling of 39695938216 in words is "thirty-nine billion, six hundred ninety-five million, nine hundred thirty-eight thousand, two hundred sixteen".