5065417658821 has 4 divisors (see below), whose sum is σ = 5455065171052. Its totient is φ = 4675770146592.

The previous prime is 5065417658797. The next prime is 5065417658827. The reversal of 5065417658821 is 1288567145605.

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 3403932750625 + 1661484908196 = 1844975^2 + 1288986^2 .

It is a cyclic number.

It is not a de Polignac number, because 5065417658821 - 2¹¹ = 5065417656773 is a prime.

It is a super-2 number, since 2×5065417658821² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5065417658827) 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, 194823756096 + ... + 194823756121.

It is an arithmetic number, because the mean of its divisors is an integer number (1363766292763).

Almost surely, 2^{5065417658821} is an apocalyptic number.

It is an amenable number.

5065417658821 is a deficient number, since it is larger than the sum of its proper divisors (389647512231).

5065417658821 is a wasteful number, since it uses less digits than its factorization.

5065417658821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389647512230.

The product of its (nonzero) digits is 16128000, while the sum is 58.

The spelling of 5065417658821 in words is "five trillion, sixty-five billion, four hundred seventeen million, six hundred fifty-eight thousand, eight hundred twenty-one".