6316189993 has 2 divisors, whose sum is σ = 6316189994. Its totient is φ = 6316189992.

The previous prime is 6316189981. The next prime is 6316190051. The reversal of 6316189993 is 3999816136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5733064089 + 583125904 = 75717^2 + 24148^2 .

It is a cyclic number.

It is not a de Polignac number, because 6316189993 - 2¹⁷ = 6316058921 is a prime.

It is not a weakly prime, because it can be changed into another prime (6316189393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3158094996 + 3158094997.

It is an arithmetic number, because the mean of its divisors is an integer number (3158094997).

Almost surely, 2^6316189993 is an apocalyptic number.

It is an amenable number.

6316189993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6316189993 is an equidigital number, since it uses as much as digits as its factorization.

6316189993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 55.

The square root of 6316189993 is about 79474.4612627226. The cubic root of 6316189993 is about 1848.4954890368.

The spelling of 6316189993 in words is "six billion, three hundred sixteen million, one hundred eighty-nine thousand, nine hundred ninety-three".