5645534243 has 2 divisors, whose sum is σ = 5645534244. Its totient is φ = 5645534242.

The previous prime is 5645534227. The next prime is 5645534249. The reversal of 5645534243 is 3424355465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5645534243 - 2⁴ = 5645534227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5645534243.

It is not a weakly prime, because it can be changed into another prime (5645534249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822767121 + 2822767122.

It is an arithmetic number, because the mean of its divisors is an integer number (2822767122).

Almost surely, 2^5645534243 is an apocalyptic number.

5645534243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5645534243 is an equidigital number, since it uses as much as digits as its factorization.

5645534243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864000, while the sum is 41.

The square root of 5645534243 is about 75136.7702459987. The cubic root of 5645534243 is about 1780.6081164009.

The spelling of 5645534243 in words is "five billion, six hundred forty-five million, five hundred thirty-four thousand, two hundred forty-three".