39924634849 has 16 divisors (see below), whose sum is σ = 46084063680. Its totient is φ = 34206658560.

The previous prime is 39924634787. The next prime is 39924634859. The reversal of 39924634849 is 94843642993.

It is a cyclic number.

It is not a de Polignac number, because 39924634849 - 2¹⁹ = 39924110561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39924634859) 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, 454552 + ... + 535225.

It is an arithmetic number, because the mean of its divisors is an integer number (2880253980).

Almost surely, 2^39924634849 is an apocalyptic number.

It is an amenable number.

39924634849 is a deficient number, since it is larger than the sum of its proper divisors (6159428831).

39924634849 is a wasteful number, since it uses less digits than its factorization.

39924634849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990000.

The product of its digits is 40310784, while the sum is 61.

The spelling of 39924634849 in words is "thirty-nine billion, nine hundred twenty-four million, six hundred thirty-four thousand, eight hundred forty-nine".