5154865565 has 8 divisors (see below), whose sum is σ = 6399143640. Its totient is φ = 3981689152.

The previous prime is 5154865543. The next prime is 5154865601. The reversal of 5154865565 is 5655684515.

It can be written as a sum of positive squares in 4 ways, for example, as 747366244 + 4407499321 = 27338^2 + 66389^2 .

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 5154865565 - 2¹⁶ = 5154800029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17775254 + ... + 17775543.

It is an arithmetic number, because the mean of its divisors is an integer number (799892955).

Almost surely, 2^5154865565 is an apocalyptic number.

It is an amenable number.

5154865565 is a deficient number, since it is larger than the sum of its proper divisors (1244278075).

5154865565 is a wasteful number, since it uses less digits than its factorization.

5154865565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35550831.

The product of its digits is 3600000, while the sum is 50.

The square root of 5154865565 is about 71797.3924665792. The cubic root of 5154865565 is about 1727.4511749670.

The spelling of 5154865565 in words is "five billion, one hundred fifty-four million, eight hundred sixty-five thousand, five hundred sixty-five".