8513545329 has 6 divisors (see below), whose sum is σ = 12297343266. Its totient is φ = 5675696880.

The previous prime is 8513545321. The next prime is 8513545333. The reversal of 8513545329 is 9235453158.

8513545329 is a `hidden beast` number, since 85 + 1 + 3 + 545 + 3 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5175363600 + 3338181729 = 71940^2 + 57777^2 .

It is not a de Polignac number, because 8513545329 - 2³ = 8513545321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8513545321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 472974732 + ... + 472974749.

It is an arithmetic number, because the mean of its divisors is an integer number (2049557211).

Almost surely, 2^8513545329 is an apocalyptic number.

It is an amenable number.

8513545329 is a deficient number, since it is larger than the sum of its proper divisors (3783797937).

8513545329 is a wasteful number, since it uses less digits than its factorization.

8513545329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945949487 (or 945949484 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 8513545329 is about 92268.8751909332. The cubic root of 8513545329 is about 2041.9110415299.

The spelling of 8513545329 in words is "eight billion, five hundred thirteen million, five hundred forty-five thousand, three hundred twenty-nine".