535643109 has 12 divisors (see below), whose sum is σ = 775069152. Its totient is φ = 356466600.

The previous prime is 535643093. The next prime is 535643167. The reversal of 535643109 is 901346535.

535643109 is a `hidden beast` number, since 5 + 3 + 5 + 643 + 1 + 0 + 9 = 666.

It is not a de Polignac number, because 535643109 - 2⁴ = 535643093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535643179) 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 11 ways as a sum of consecutive naturals, for example, 46977 + ... + 57254.

It is an arithmetic number, because the mean of its divisors is an integer number (64589096).

Almost surely, 2^535643109 is an apocalyptic number.

It is an amenable number.

535643109 is a deficient number, since it is larger than the sum of its proper divisors (239426043).

535643109 is a wasteful number, since it uses less digits than its factorization.

535643109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104808 (or 104805 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 535643109 is about 23143.9648504745. The cubic root of 535643109 is about 812.1292902631.

The spelling of 535643109 in words is "five hundred thirty-five million, six hundred forty-three thousand, one hundred nine".