938463193 has 2 divisors, whose sum is σ = 938463194. Its totient is φ = 938463192.

The previous prime is 938463157. The next prime is 938463247. The reversal of 938463193 is 391364839.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 482768784 + 455694409 = 21972^2 + 21347^2 .

It is an emirp because it is prime and its reverse (391364839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 938463193 - 2²⁹ = 401592281 is a prime.

It is not a weakly prime, because it can be changed into another prime (938463133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469231596 + 469231597.

It is an arithmetic number, because the mean of its divisors is an integer number (469231597).

Almost surely, 2^938463193 is an apocalyptic number.

It is an amenable number.

938463193 is a deficient number, since it is larger than the sum of its proper divisors (1).

938463193 is an equidigital number, since it uses as much as digits as its factorization.

938463193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 46.

The square root of 938463193 is about 30634.3466227044. The cubic root of 938463193 is about 979.0519754009.

The spelling of 938463193 in words is "nine hundred thirty-eight million, four hundred sixty-three thousand, one hundred ninety-three".