389016685933 has 2 divisors, whose sum is σ = 389016685934. Its totient is φ = 389016685932.

The previous prime is 389016685831. The next prime is 389016685951. The reversal of 389016685933 is 339586610983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384602146569 + 4414539364 = 620163^2 + 66442^2 .

It is a cyclic number.

It is not a de Polignac number, because 389016685933 - 2²⁵ = 388983131501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389016688933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194508342966 + 194508342967.

It is an arithmetic number, because the mean of its divisors is an integer number (194508342967).

Almost surely, 2^389016685933 is an apocalyptic number.

It is an amenable number.

389016685933 is a deficient number, since it is larger than the sum of its proper divisors (1).

389016685933 is an equidigital number, since it uses as much as digits as its factorization.

389016685933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 389016685933 in words is "three hundred eighty-nine billion, sixteen million, six hundred eighty-five thousand, nine hundred thirty-three".