520634486741 has 2 divisors, whose sum is σ = 520634486742. Its totient is φ = 520634486740.

The previous prime is 520634486717. The next prime is 520634486747. The reversal of 520634486741 is 147684436025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287993222500 + 232641264241 = 536650^2 + 482329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520634486741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520634486741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520634486747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260317243370 + 260317243371.

It is an arithmetic number, because the mean of its divisors is an integer number (260317243371).

Almost surely, 2^520634486741 is an apocalyptic number.

It is an amenable number.

520634486741 is a deficient number, since it is larger than the sum of its proper divisors (1).

520634486741 is an equidigital number, since it uses as much as digits as its factorization.

520634486741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 520634486741 in words is "five hundred twenty billion, six hundred thirty-four million, four hundred eighty-six thousand, seven hundred forty-one".