4340520865 has 4 divisors (see below), whose sum is σ = 5208625044. Its totient is φ = 3472416688.

The previous prime is 4340520853. The next prime is 4340520917. The reversal of 4340520865 is 5680250434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1681984144 + 2658536721 = 41012^2 + 51561^2 .

It is a cyclic number.

It is not a de Polignac number, because 4340520865 - 2¹¹ = 4340518817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434052082 + ... + 434052091.

It is an arithmetic number, because the mean of its divisors is an integer number (1302156261).

Almost surely, 2^4340520865 is an apocalyptic number.

It is an amenable number.

4340520865 is a deficient number, since it is larger than the sum of its proper divisors (868104179).

4340520865 is an equidigital number, since it uses as much as digits as its factorization.

4340520865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868104178.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 4340520865 is about 65882.6294633115. The cubic root of 4340520865 is about 1631.2253028561.

The spelling of 4340520865 in words is "four billion, three hundred forty million, five hundred twenty thousand, eight hundred sixty-five".