5220613706065 has 4 divisors (see below), whose sum is σ = 6264736447284. Its totient is φ = 4176490964848.

The previous prime is 5220613706057. The next prime is 5220613706069. The reversal of 5220613706065 is 5606073160225.

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 2832596713024 + 2388016993041 = 1683032^2 + 1545321^2 .

It is a cyclic number.

It is not a de Polignac number, because 5220613706065 - 2³ = 5220613706057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5220613706069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522061370602 + ... + 522061370611.

It is an arithmetic number, because the mean of its divisors is an integer number (1566184111821).

Almost surely, 2^{5220613706065} is an apocalyptic number.

It is an amenable number.

5220613706065 is a deficient number, since it is larger than the sum of its proper divisors (1044122741219).

5220613706065 is a wasteful number, since it uses less digits than its factorization.

5220613706065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044122741218.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 5220613706065 in words is "five trillion, two hundred twenty billion, six hundred thirteen million, seven hundred six thousand, sixty-five".