520535016047 has 2 divisors, whose sum is σ = 520535016048. Its totient is φ = 520535016046.

The previous prime is 520535015977. The next prime is 520535016137. The reversal of 520535016047 is 740610535025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520535016047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520535016047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520535016347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260267508023 + 260267508024.

It is an arithmetic number, because the mean of its divisors is an integer number (260267508024).

Almost surely, 2^520535016047 is an apocalyptic number.

520535016047 is a deficient number, since it is larger than the sum of its proper divisors (1).

520535016047 is an equidigital number, since it uses as much as digits as its factorization.

520535016047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 520535016047 in words is "five hundred twenty billion, five hundred thirty-five million, sixteen thousand, forty-seven".