938945039 has 2 divisors, whose sum is σ = 938945040. Its totient is φ = 938945038.

The previous prime is 938945027. The next prime is 938945069. The reversal of 938945039 is 930549839.

It is a weak prime.

It is an emirp because it is prime and its reverse (930549839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 938945039 - 2²⁴ = 922167823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (938945069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469472519 + 469472520.

It is an arithmetic number, because the mean of its divisors is an integer number (469472520).

Almost surely, 2^938945039 is an apocalyptic number.

938945039 is a deficient number, since it is larger than the sum of its proper divisors (1).

938945039 is an equidigital number, since it uses as much as digits as its factorization.

938945039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 938945039 is about 30642.2100867415. The cubic root of 938945039 is about 979.2195087205.

The spelling of 938945039 in words is "nine hundred thirty-eight million, nine hundred forty-five thousand, thirty-nine".