6364493 has 2 divisors, whose sum is σ = 6364494. Its totient is φ = 6364492.

The previous prime is 6364483. The next prime is 6364513. The reversal of 6364493 is 3944636.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5368489 + 996004 = 2317^2 + 998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6364493 is a prime.

It is a super-2 number, since 2×6364493² = 81013542294098, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6364433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3182246 + 3182247.

It is an arithmetic number, because the mean of its divisors is an integer number (3182247).

Almost surely, 2^6364493 is an apocalyptic number.

It is an amenable number.

6364493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6364493 is an equidigital number, since it uses as much as digits as its factorization.

6364493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 35.

The square root of 6364493 is about 2522.7946805081. The cubic root of 6364493 is about 185.3195645477.

The spelling of 6364493 in words is "six million, three hundred sixty-four thousand, four hundred ninety-three".