8945749543 has 2 divisors, whose sum is σ = 8945749544. Its totient is φ = 8945749542.

The previous prime is 8945749529. The next prime is 8945749601. The reversal of 8945749543 is 3459475498.

It is an a-pointer prime, because the next prime (8945749601) can be obtained adding 8945749543 to its sum of digits (58).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8945749543 - 2¹⁷ = 8945618471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8945749523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4472874771 + 4472874772.

It is an arithmetic number, because the mean of its divisors is an integer number (4472874772).

Almost surely, 2^8945749543 is an apocalyptic number.

8945749543 is a deficient number, since it is larger than the sum of its proper divisors (1).

8945749543 is an equidigital number, since it uses as much as digits as its factorization.

8945749543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21772800, while the sum is 58.

The square root of 8945749543 is about 94581.9726110637. The cubic root of 8945749543 is about 2075.8959342321.

The spelling of 8945749543 in words is "eight billion, nine hundred forty-five million, seven hundred forty-nine thousand, five hundred forty-three".