389034256533 has 16 divisors (see below), whose sum is σ = 559209516096. Its totient is φ = 239150171520.

The previous prime is 389034256531. The next prime is 389034256607. The reversal of 389034256533 is 335652430983.

It is not a de Polignac number, because 389034256533 - 2¹ = 389034256531 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389034256531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5286423 + ... + 5359508.

It is an arithmetic number, because the mean of its divisors is an integer number (34950594756).

Almost surely, 2^389034256533 is an apocalyptic number.

It is an amenable number.

389034256533 is a deficient number, since it is larger than the sum of its proper divisors (170175259563).

389034256533 is a wasteful number, since it uses less digits than its factorization.

389034256533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10646884.

The product of its (nonzero) digits is 6998400, while the sum is 51.

The spelling of 389034256533 in words is "three hundred eighty-nine billion, thirty-four million, two hundred fifty-six thousand, five hundred thirty-three".