520422051469 has 2 divisors, whose sum is σ = 520422051470. Its totient is φ = 520422051468.

The previous prime is 520422051451. The next prime is 520422051559. The reversal of 520422051469 is 964150224025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399986678025 + 120435373444 = 632445^2 + 347038^2 .

It is a cyclic number.

It is not a de Polignac number, because 520422051469 - 2¹³ = 520422043277 is a prime.

It is a super-2 number, since 2×520422051469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520422051419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260211025734 + 260211025735.

It is an arithmetic number, because the mean of its divisors is an integer number (260211025735).

Almost surely, 2^520422051469 is an apocalyptic number.

It is an amenable number.

520422051469 is a deficient number, since it is larger than the sum of its proper divisors (1).

520422051469 is an equidigital number, since it uses as much as digits as its factorization.

520422051469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 520422051469 in words is "five hundred twenty billion, four hundred twenty-two million, fifty-one thousand, four hundred sixty-nine".