10365665533 has 4 divisors (see below), whose sum is σ = 10366169308. Its totient is φ = 10365161760.

The previous prime is 10365665509. The next prime is 10365665549. The reversal of 10365665533 is 33556656301.

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 4620328729 + 5745336804 = 67973^2 + 75798^2 .

It is a cyclic number.

It is not a de Polignac number, because 10365665533 - 2⁵ = 10365665501 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 10365665533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10365665503) 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, 219648 + ... + 262633.

It is an arithmetic number, because the mean of its divisors is an integer number (2591542327).

Almost surely, 2^10365665533 is an apocalyptic number.

It is an amenable number.

10365665533 is a deficient number, since it is larger than the sum of its proper divisors (503775).

10365665533 is an equidigital number, since it uses as much as digits as its factorization.

10365665533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503774.

The product of its (nonzero) digits is 729000, while the sum is 43.

The spelling of 10365665533 in words is "ten billion, three hundred sixty-five million, six hundred sixty-five thousand, five hundred thirty-three".