535953689 has 4 divisors (see below), whose sum is σ = 540696756. Its totient is φ = 531210624.

The previous prime is 535953673. The next prime is 535953701. The reversal of 535953689 is 986359535.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19891600 + 516062089 = 4460^2 + 22717^2 .

It is a cyclic number.

It is not a de Polignac number, because 535953689 - 2⁴ = 535953673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 535953689.

It is not an unprimeable number, because it can be changed into a prime (535953289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2371364 + ... + 2371589.

It is an arithmetic number, because the mean of its divisors is an integer number (135174189).

Almost surely, 2^535953689 is an apocalyptic number.

It is an amenable number.

535953689 is a deficient number, since it is larger than the sum of its proper divisors (4743067).

535953689 is a wasteful number, since it uses less digits than its factorization.

535953689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743066.

The product of its digits is 4374000, while the sum is 53.

The square root of 535953689 is about 23150.6736187092. The cubic root of 535953689 is about 812.2862245952.

The spelling of 535953689 in words is "five hundred thirty-five million, nine hundred fifty-three thousand, six hundred eighty-nine".