535369609 has 4 divisors (see below), whose sum is σ = 553830660. Its totient is φ = 516908560.

The previous prime is 535369603. The next prime is 535369619. The reversal of 535369609 is 906963535.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 906963535 = 5 ⋅181392707.

It can be written as a sum of positive squares in 2 ways, for example, as 135489600 + 399880009 = 11640^2 + 19997^2 .

It is a cyclic number.

It is not a de Polignac number, because 535369609 - 2¹³ = 535361417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535369603) 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 3 ways as a sum of consecutive naturals, for example, 9230482 + ... + 9230539.

It is an arithmetic number, because the mean of its divisors is an integer number (138457665).

Almost surely, 2^535369609 is an apocalyptic number.

It is an amenable number.

535369609 is a deficient number, since it is larger than the sum of its proper divisors (18461051).

535369609 is a wasteful number, since it uses less digits than its factorization.

535369609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18461050.

The product of its (nonzero) digits is 656100, while the sum is 46.

The square root of 535369609 is about 23138.0554282334. The cubic root of 535369609 is about 811.9910420077.

The spelling of 535369609 in words is "five hundred thirty-five million, three hundred sixty-nine thousand, six hundred nine".