938381533 has 2 divisors, whose sum is σ = 938381534. Its totient is φ = 938381532.

The previous prime is 938381527. The next prime is 938381539. The reversal of 938381533 is 335183839.

It is a balanced prime because it is at equal distance from previous prime (938381527) and next prime (938381539).

It can be written as a sum of positive squares in only one way, i.e., 857435524 + 80946009 = 29282^2 + 8997^2 .

It is a cyclic number.

It is not a de Polignac number, because 938381533 - 2¹³ = 938373341 is a prime.

It is equal to p_47869342 and since 938381533 and 47869342 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 938381533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (938381539) 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, 469190766 + 469190767.

It is an arithmetic number, because the mean of its divisors is an integer number (469190767).

Almost surely, 2^938381533 is an apocalyptic number.

It is an amenable number.

938381533 is a deficient number, since it is larger than the sum of its proper divisors (1).

938381533 is an equidigital number, since it uses as much as digits as its factorization.

938381533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 43.

The square root of 938381533 is about 30633.0137759901. The cubic root of 938381533 is about 979.0235773050.

The spelling of 938381533 in words is "nine hundred thirty-eight million, three hundred eighty-one thousand, five hundred thirty-three".