9042804065 has 4 divisors (see below), whose sum is σ = 10851364884. Its totient is φ = 7234243248.

The previous prime is 9042804059. The next prime is 9042804079. The reversal of 9042804065 is 5604082409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5604082409 = 29 ⋅193244221.

It can be written as a sum of positive squares in 2 ways, for example, as 5145049441 + 3897754624 = 71729^2 + 62432^2 .

It is a cyclic number.

It is not a de Polignac number, because 9042804065 - 2⁴ = 9042804049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 904280402 + ... + 904280411.

It is an arithmetic number, because the mean of its divisors is an integer number (2712841221).

Almost surely, 2^9042804065 is an apocalyptic number.

It is an amenable number.

9042804065 is a deficient number, since it is larger than the sum of its proper divisors (1808560819).

9042804065 is a wasteful number, since it uses less digits than its factorization.

9042804065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808560818.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 9042804065 is about 95093.6594363683. The cubic root of 9042804065 is about 2083.3762401972.

The spelling of 9042804065 in words is "nine billion, forty-two million, eight hundred four thousand, sixty-five".