5643446357 has 2 divisors, whose sum is σ = 5643446358. Its totient is φ = 5643446356.

The previous prime is 5643446317. The next prime is 5643446363. The reversal of 5643446357 is 7536443465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4431431761 + 1212014596 = 66569^2 + 34814^2 .

It is a cyclic number.

It is not a de Polignac number, because 5643446357 - 2²⁰ = 5642397781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5643446317) 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, 2821723178 + 2821723179.

It is an arithmetic number, because the mean of its divisors is an integer number (2821723179).

Almost surely, 2^5643446357 is an apocalyptic number.

It is an amenable number.

5643446357 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643446357 is an equidigital number, since it uses as much as digits as its factorization.

5643446357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 47.

The square root of 5643446357 is about 75122.8750581339. The cubic root of 5643446357 is about 1780.3885821048.

The spelling of 5643446357 in words is "five billion, six hundred forty-three million, four hundred forty-six thousand, three hundred fifty-seven".