389159939945 has 16 divisors (see below), whose sum is σ = 534447383040. Its totient is φ = 266481369024.

The previous prime is 389159939933. The next prime is 389159940007. The reversal of 389159939945 is 549939951983.

It is a cyclic number.

It is not a de Polignac number, because 389159939945 - 2⁴ = 389159939929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7707002 + ... + 7757331.

It is an arithmetic number, because the mean of its divisors is an integer number (33402961440).

Almost surely, 2^389159939945 is an apocalyptic number.

389159939945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

389159939945 is a deficient number, since it is larger than the sum of its proper divisors (145287443095).

389159939945 is a wasteful number, since it uses less digits than its factorization.

389159939945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15465064.

The product of its digits is 425152800, while the sum is 74.

The spelling of 389159939945 in words is "three hundred eighty-nine billion, one hundred fifty-nine million, nine hundred thirty-nine thousand, nine hundred forty-five".