4511434561 has 8 divisors (see below), whose sum is σ = 4667769000. Its totient is φ = 4355151360.

The previous prime is 4511434519. The next prime is 4511434621. The reversal of 4511434561 is 1654341154.

It can be written as a sum of positive squares in 4 ways, for example, as 118396161 + 4393038400 = 10881^2 + 66280^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4511434561 - 2⁹ = 4511434049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4511434511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280465 + ... + 296113.

It is an arithmetic number, because the mean of its divisors is an integer number (583471125).

Almost surely, 2^4511434561 is an apocalyptic number.

It is an amenable number.

4511434561 is a deficient number, since it is larger than the sum of its proper divisors (156334439).

4511434561 is a wasteful number, since it uses less digits than its factorization.

4511434561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25619.

The product of its digits is 28800, while the sum is 34.

The square root of 4511434561 is about 67167.2134378076. The cubic root of 4511434561 is about 1652.3608153375.

The spelling of 4511434561 in words is "four billion, five hundred eleven million, four hundred thirty-four thousand, five hundred sixty-one".