520266424422747 has 4 divisors (see below), whose sum is σ = 693688565897000. Its totient is φ = 346844282948496.

The previous prime is 520266424422691. The next prime is 520266424422911. The reversal of 520266424422747 is 747224424662025.

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

It is not a de Polignac number, because 520266424422747 - 2⁶ = 520266424422683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520266424432747) 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, 86711070737122 + ... + 86711070737127.

It is an arithmetic number, because the mean of its divisors is an integer number (173422141474250).

Almost surely, 2^{520266424422747} is an apocalyptic number.

520266424422747 is a deficient number, since it is larger than the sum of its proper divisors (173422141474253).

520266424422747 is a wasteful number, since it uses less digits than its factorization.

520266424422747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173422141474252.

The product of its (nonzero) digits is 72253440, while the sum is 57.

The spelling of 520266424422747 in words is "five hundred twenty trillion, two hundred sixty-six billion, four hundred twenty-four million, four hundred twenty-two thousand, seven hundred forty-seven".