5365243665 has 24 divisors (see below), whose sum is σ = 9361355328. Its totient is φ = 2842509600.

The previous prime is 5365243661. The next prime is 5365243699. The reversal of 5365243665 is 5663425635.

5365243665 is a `hidden beast` number, since 5 + 36 + 524 + 36 + 65 = 666.

It is not a de Polignac number, because 5365243665 - 2² = 5365243661 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5365243665.

It is not an unprimeable number, because it can be changed into a prime (5365243661) 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 23 ways as a sum of consecutive naturals, for example, 387999 + ... + 401588.

It is an arithmetic number, because the mean of its divisors is an integer number (390056472).

Almost surely, 2^5365243665 is an apocalyptic number.

It is an amenable number.

5365243665 is a deficient number, since it is larger than the sum of its proper divisors (3996111663).

5365243665 is a wasteful number, since it uses less digits than its factorization.

5365243665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789749 (or 789746 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 45.

The square root of 5365243665 is about 73247.8236195452. The cubic root of 5365243665 is about 1750.6385332446.

The spelling of 5365243665 in words is "five billion, three hundred sixty-five million, two hundred forty-three thousand, six hundred sixty-five".