520441121304473 has 2 divisors, whose sum is σ = 520441121304474. Its totient is φ = 520441121304472.

The previous prime is 520441121304341. The next prime is 520441121304479. The reversal of 520441121304473 is 374403121144025.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276333870163849 + 244107251140624 = 16623293^2 + 15623932^2 .

It is a cyclic number.

It is not a de Polignac number, because 520441121304473 - 2²⁰ = 520441120255897 is a prime.

It is a super-2 number, since 2×520441121304473² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 520441121304473.

It is not a weakly prime, because it can be changed into another prime (520441121304479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260220560652236 + 260220560652237.

It is an arithmetic number, because the mean of its divisors is an integer number (260220560652237).

Almost surely, 2^{520441121304473} is an apocalyptic number.

It is an amenable number.

520441121304473 is a deficient number, since it is larger than the sum of its proper divisors (1).

520441121304473 is an equidigital number, since it uses as much as digits as its factorization.

520441121304473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 41.

Adding to 520441121304473 its reverse (374403121144025), we get a palindrome (894844242448498).

The spelling of 520441121304473 in words is "five hundred twenty trillion, four hundred forty-one billion, one hundred twenty-one million, three hundred four thousand, four hundred seventy-three".