520425037663 has 2 divisors, whose sum is σ = 520425037664. Its totient is φ = 520425037662.

The previous prime is 520425037633. The next prime is 520425037667. The reversal of 520425037663 is 366730524025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520425037663 - 2¹³ = 520425029471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520425037667) 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 as a sum of consecutive naturals, namely, 260212518831 + 260212518832.

It is an arithmetic number, because the mean of its divisors is an integer number (260212518832).

Almost surely, 2^520425037663 is an apocalyptic number.

520425037663 is a deficient number, since it is larger than the sum of its proper divisors (1).

520425037663 is an equidigital number, since it uses as much as digits as its factorization.

520425037663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 520425037663 in words is "five hundred twenty billion, four hundred twenty-five million, thirty-seven thousand, six hundred sixty-three".