39104392689 has 24 divisors (see below), whose sum is σ = 59504900000. Its totient is φ = 24677602560.

The previous prime is 39104392673. The next prime is 39104392699. The reversal of 39104392689 is 98629340193.

It is not a de Polignac number, because 39104392689 - 2⁴ = 39104392673 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39104392699) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122034 + ... + 305124.

Almost surely, 2^39104392689 is an apocalyptic number.

It is an amenable number.

39104392689 is a deficient number, since it is larger than the sum of its proper divisors (20400507311).

39104392689 is a wasteful number, since it uses less digits than its factorization.

39104392689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184365 (or 184362 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 39104392689 in words is "thirty-nine billion, one hundred four million, three hundred ninety-two thousand, six hundred eighty-nine".