389769734939 has 8 divisors (see below), whose sum is σ = 444443317920. Its totient is φ = 338623479936.

The previous prime is 389769734903. The next prime is 389769734947. The reversal of 389769734939 is 939437967983.

It is a happy number.

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 389769734939 - 2¹⁶ = 389769669403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 389769734939.

It is not an unprimeable number, because it can be changed into a prime (389769734999) 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 7 ways as a sum of consecutive naturals, for example, 881831759 + ... + 881832200.

It is an arithmetic number, because the mean of its divisors is an integer number (55555414740).

Almost surely, 2^389769734939 is an apocalyptic number.

389769734939 is a deficient number, since it is larger than the sum of its proper divisors (54673582981).

389769734939 is a wasteful number, since it uses less digits than its factorization.

389769734939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763663989.

The product of its digits is 1666598976, while the sum is 77.

The spelling of 389769734939 in words is "three hundred eighty-nine billion, seven hundred sixty-nine million, seven hundred thirty-four thousand, nine hundred thirty-nine".