39289966849 has 8 divisors (see below), whose sum is σ = 44915791040. Its totient is φ = 33667385616.

The previous prime is 39289966843. The next prime is 39289966901. The reversal of 39289966849 is 94866998293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39289966849 - 2⁵ = 39289966817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39289966843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784719 + ... + 833284.

It is an arithmetic number, because the mean of its divisors is an integer number (5614473880).

Almost surely, 2^39289966849 is an apocalyptic number.

It is an amenable number.

39289966849 is a deficient number, since it is larger than the sum of its proper divisors (5625824191).

39289966849 is a wasteful number, since it uses less digits than its factorization.

39289966849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621479.

The product of its digits is 362797056, while the sum is 73.

The spelling of 39289966849 in words is "thirty-nine billion, two hundred eighty-nine million, nine hundred sixty-six thousand, eight hundred forty-nine".