5643091543 has 2 divisors, whose sum is σ = 5643091544. Its totient is φ = 5643091542.

The previous prime is 5643091499. The next prime is 5643091567. The reversal of 5643091543 is 3451903465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5643091543 - 2¹⁷ = 5642960471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5643091496 and 5643091505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5643091343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2821545771 + 2821545772.

It is an arithmetic number, because the mean of its divisors is an integer number (2821545772).

Almost surely, 2^5643091543 is an apocalyptic number.

5643091543 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643091543 is an equidigital number, since it uses as much as digits as its factorization.

5643091543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 5643091543 is about 75120.5134633676. The cubic root of 5643091543 is about 1780.3512692057.

The spelling of 5643091543 in words is "five billion, six hundred forty-three million, ninety-one thousand, five hundred forty-three".