1038533609 has 4 divisors (see below), whose sum is σ = 1041509700. Its totient is φ = 1035557520.

The previous prime is 1038533593. The next prime is 1038533627. The reversal of 1038533609 is 9063358301.

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 687907984 + 350625625 = 26228^2 + 18725^2 .

It is a cyclic number.

It is not a de Polignac number, because 1038533609 - 2⁴ = 1038533593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1038535609) 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 3 ways as a sum of consecutive naturals, for example, 1487522 + ... + 1488219.

It is an arithmetic number, because the mean of its divisors is an integer number (260377425).

Almost surely, 2^1038533609 is an apocalyptic number.

It is an amenable number.

1038533609 is a deficient number, since it is larger than the sum of its proper divisors (2976091).

1038533609 is an equidigital number, since it uses as much as digits as its factorization.

1038533609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976090.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1038533609 is about 32226.2875460392. The cubic root of 1038533609 is about 1012.6829978433.

The spelling of 1038533609 in words is "one billion, thirty-eight million, five hundred thirty-three thousand, six hundred nine".