520211011429 has 2 divisors, whose sum is σ = 520211011430. Its totient is φ = 520211011428.

The previous prime is 520211011417. The next prime is 520211011493. The reversal of 520211011429 is 924110112025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426683304100 + 93527707329 = 653210^2 + 305823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520211011429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520211011397 and 520211011406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520211011729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260105505714 + 260105505715.

It is an arithmetic number, because the mean of its divisors is an integer number (260105505715).

Almost surely, 2^520211011429 is an apocalyptic number.

It is an amenable number.

520211011429 is a deficient number, since it is larger than the sum of its proper divisors (1).

520211011429 is an equidigital number, since it uses as much as digits as its factorization.

520211011429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 520211011429 in words is "five hundred twenty billion, two hundred eleven million, eleven thousand, four hundred twenty-nine".