8445576513 has 24 divisors (see below), whose sum is σ = 13028999200. Its totient is φ = 4849130880.

The previous prime is 8445576493. The next prime is 8445576583. The reversal of 8445576513 is 3156755448.

It is not a de Polignac number, because 8445576513 - 2⁹ = 8445576001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8445576583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 605368 + ... + 619161.

Almost surely, 2^8445576513 is an apocalyptic number.

It is an amenable number.

8445576513 is a deficient number, since it is larger than the sum of its proper divisors (4583422687).

8445576513 is a wasteful number, since it uses less digits than its factorization.

8445576513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224573 (or 1224562 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 48.

The square root of 8445576513 is about 91899.8178072187. The cubic root of 8445576513 is about 2036.4625765309.

The spelling of 8445576513 in words is "eight billion, four hundred forty-five million, five hundred seventy-six thousand, five hundred thirteen".