389770993546 has 8 divisors (see below), whose sum is σ = 637807080384. Its totient is φ = 177168633420.

The previous prime is 389770993543. The next prime is 389770993553. The reversal of 389770993546 is 645399077983.

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

It is not an unprimeable number, because it can be changed into a prime (389770993541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8858431650 + ... + 8858431693.

It is an arithmetic number, because the mean of its divisors is an integer number (79725885048).

Almost surely, 2^389770993546 is an apocalyptic number.

389770993546 is a deficient number, since it is larger than the sum of its proper divisors (248036086838).

389770993546 is a wasteful number, since it uses less digits than its factorization.

389770993546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17716863356.

The product of its (nonzero) digits is 308629440, while the sum is 70.

The spelling of 389770993546 in words is "three hundred eighty-nine billion, seven hundred seventy million, nine hundred ninety-three thousand, five hundred forty-six".