4532856309 has 20 divisors (see below), whose sum is σ = 6928781376. Its totient is φ = 2951625096.

The previous prime is 4532856299. The next prime is 4532856313. The reversal of 4532856309 is 9036582354.

4532856309 is a `hidden beast` number, since 4 + 5 + 3 + 2 + 8 + 5 + 630 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-4532856309 is a prime.

It is a super-2 number, since 2×4532856309² = 41093572636082206962, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4532856329) 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 19 ways as a sum of consecutive naturals, for example, 647229 + ... + 654194.

Almost surely, 2^4532856309 is an apocalyptic number.

It is an amenable number.

4532856309 is a deficient number, since it is larger than the sum of its proper divisors (2395925067).

4532856309 is a wasteful number, since it uses less digits than its factorization.

4532856309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301478 (or 1301469 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 4532856309 is about 67326.4903956830. The cubic root of 4532856309 is about 1654.9720009989.

The spelling of 4532856309 in words is "four billion, five hundred thirty-two million, eight hundred fifty-six thousand, three hundred nine".