9038912665 has 8 divisors (see below), whose sum is σ = 11484736200. Its totient is φ = 6805769472.

The previous prime is 9038912657. The next prime is 9038912723. The reversal of 9038912665 is 5662198309.

It can be written as a sum of positive squares in 4 ways, for example, as 3037001881 + 6001910784 = 55109^2 + 77472^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9038912665 - 2³ = 9038912657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53169990 + ... + 53170159.

It is an arithmetic number, because the mean of its divisors is an integer number (1435592025).

Almost surely, 2^9038912665 is an apocalyptic number.

It is an amenable number.

9038912665 is a deficient number, since it is larger than the sum of its proper divisors (2445823535).

9038912665 is a wasteful number, since it uses less digits than its factorization.

9038912665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106340171.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 9038912665 is about 95073.1963541776. The cubic root of 9038912665 is about 2083.0773501090.

The spelling of 9038912665 in words is "nine billion, thirty-eight million, nine hundred twelve thousand, six hundred sixty-five".