4509647765 has 16 divisors (see below), whose sum is σ = 6211678080. Its totient is φ = 3078820800.

The previous prime is 4509647693. The next prime is 4509647869. The reversal of 4509647765 is 5677469054.

It is not a de Polignac number, because 4509647765 - 2¹⁰ = 4509646741 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273311 + ... + 289340.

It is an arithmetic number, because the mean of its divisors is an integer number (388229880).

Almost surely, 2^4509647765 is an apocalyptic number.

It is an amenable number.

4509647765 is a deficient number, since it is larger than the sum of its proper divisors (1702030315).

4509647765 is a wasteful number, since it uses less digits than its factorization.

4509647765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562892.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The square root of 4509647765 is about 67153.9110178998. The cubic root of 4509647765 is about 1652.1426421954.

The spelling of 4509647765 in words is "four billion, five hundred nine million, six hundred forty-seven thousand, seven hundred sixty-five".