39684848694 has 64 divisors (see below), whose sum is σ = 82393217280. Its totient is φ = 12734467200.

The previous prime is 39684848689. The next prime is 39684848747. The reversal of 39684848694 is 49684848693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5911812 + ... + 5918520.

It is an arithmetic number, because the mean of its divisors is an integer number (1287394020).

Almost surely, 2^39684848694 is an apocalyptic number.

39684848694 is an abundant number, since it is smaller than the sum of its proper divisors (42708368586).

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

39684848694 is a wasteful number, since it uses less digits than its factorization.

39684848694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7085.

The product of its digits is 286654464, while the sum is 69.

Subtracting 39684848694 from its reverse (49684848693), we obtain a palindrome (9999999999).

The spelling of 39684848694 in words is "thirty-nine billion, six hundred eighty-four million, eight hundred forty-eight thousand, six hundred ninety-four".