506065320443 has 4 divisors (see below), whose sum is σ = 506135682888. Its totient is φ = 505994958000.

The previous prime is 506065320433. The next prime is 506065320491. The reversal of 506065320443 is 344023560605.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344023560605 = 5 ⋅68804712121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506065320443 is a prime.

It is a super-2 number, since 2×506065320443² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506065320397 and 506065320406.

It is not an unprimeable number, because it can be changed into a prime (506065320433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35170433 + ... + 35184818.

It is an arithmetic number, because the mean of its divisors is an integer number (126533920722).

Almost surely, 2^506065320443 is an apocalyptic number.

506065320443 is a deficient number, since it is larger than the sum of its proper divisors (70362445).

506065320443 is an equidigital number, since it uses as much as digits as its factorization.

506065320443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70362444.

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 506065320443 in words is "five hundred six billion, sixty-five million, three hundred twenty thousand, four hundred forty-three".