5643238373 has 2 divisors, whose sum is σ = 5643238374. Its totient is φ = 5643238372.

The previous prime is 5643238351. The next prime is 5643238399. The reversal of 5643238373 is 3738323465.

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., 4653695524 + 989542849 = 68218^2 + 31457^2 .

It is a cyclic number.

It is not a de Polignac number, because 5643238373 - 2¹⁰ = 5643237349 is a prime.

It is a super-2 number, since 2×5643238373² = 63692278668999374258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5643238273) 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, 2821619186 + 2821619187.

It is an arithmetic number, because the mean of its divisors is an integer number (2821619187).

Almost surely, 2^5643238373 is an apocalyptic number.

It is an amenable number.

5643238373 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643238373 is an equidigital number, since it uses as much as digits as its factorization.

5643238373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 44.

The square root of 5643238373 is about 75121.4907533124. The cubic root of 5643238373 is about 1780.3667103108.

The spelling of 5643238373 in words is "five billion, six hundred forty-three million, two hundred thirty-eight thousand, three hundred seventy-three".