8645773043 has 2 divisors, whose sum is σ = 8645773044. Its totient is φ = 8645773042.

The previous prime is 8645773001. The next prime is 8645773069. The reversal of 8645773043 is 3403775468.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8645773043 - 2¹⁰ = 8645772019 is a prime.

It is a super-2 number, since 2×8645773043² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8645772043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4322886521 + 4322886522.

It is an arithmetic number, because the mean of its divisors is an integer number (4322886522).

Almost surely, 2^8645773043 is an apocalyptic number.

8645773043 is a deficient number, since it is larger than the sum of its proper divisors (1).

8645773043 is an equidigital number, since it uses as much as digits as its factorization.

8645773043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The square root of 8645773043 is about 92982.6491502581. The cubic root of 8645773043 is about 2052.4280604006.

The spelling of 8645773043 in words is "eight billion, six hundred forty-five million, seven hundred seventy-three thousand, forty-three".