389071745536 has 80 divisors (see below), whose sum is σ = 787500784224. Its totient is φ = 192008617984.

The previous prime is 389071745519. The next prime is 389071745537. The reversal of 389071745536 is 635547170983.

It is not an unprimeable number, because it can be changed into a prime (389071745537) 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, 51713871 + ... + 51721393.

Almost surely, 2^389071745536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389071745536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393750392112).

389071745536 is an abundant number, since it is smaller than the sum of its proper divisors (398429038688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389071745536 is an equidigital number, since it uses as much as digits as its factorization.

389071745536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8841 (or 8825 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 389071745536 in words is "three hundred eighty-nine billion, seventy-one million, seven hundred forty-five thousand, five hundred thirty-six".