9045551565 has 24 divisors (see below), whose sum is σ = 15782802048. Its totient is φ = 4792341600.

The previous prime is 9045551561. The next prime is 9045551621. The reversal of 9045551565 is 5651555409.

9045551565 is a `hidden beast` number, since 9 + 0 + 45 + 551 + 56 + 5 = 666.

It is not a de Polignac number, because 9045551565 - 2² = 9045551561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9045551565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9045551561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 658809 + ... + 672398.

It is an arithmetic number, because the mean of its divisors is an integer number (657616752).

Almost surely, 2^9045551565 is an apocalyptic number.

It is an amenable number.

9045551565 is a deficient number, since it is larger than the sum of its proper divisors (6737250483).

9045551565 is a wasteful number, since it uses less digits than its factorization.

9045551565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331369 (or 1331366 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The square root of 9045551565 is about 95108.1046231077. The cubic root of 9045551565 is about 2083.5872181400.

The spelling of 9045551565 in words is "nine billion, forty-five million, five hundred fifty-one thousand, five hundred sixty-five".