8645466329 has 2 divisors, whose sum is σ = 8645466330. Its totient is φ = 8645466328.

The previous prime is 8645466299. The next prime is 8645466407. The reversal of 8645466329 is 9236645468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7526430025 + 1119036304 = 86755^2 + 33452^2 .

It is a cyclic number.

It is not a de Polignac number, because 8645466329 - 2²⁸ = 8377030873 is a prime.

It is not a weakly prime, because it can be changed into another prime (8645466829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4322733164 + 4322733165.

It is an arithmetic number, because the mean of its divisors is an integer number (4322733165).

Almost surely, 2^8645466329 is an apocalyptic number.

It is an amenable number.

8645466329 is a deficient number, since it is larger than the sum of its proper divisors (1).

8645466329 is an equidigital number, since it uses as much as digits as its factorization.

8645466329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 53.

The square root of 8645466329 is about 92980.9998279218. Note that the first 3 decimals coincide. The cubic root of 8645466329 is about 2052.4037897402.

The spelling of 8645466329 in words is "eight billion, six hundred forty-five million, four hundred sixty-six thousand, three hundred twenty-nine".