220434125510509 has 2 divisors, whose sum is σ = 220434125510510. Its totient is φ = 220434125510508.

The previous prime is 220434125510441. The next prime is 220434125510513. The reversal of 220434125510509 is 905015521434022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190753388822500 + 29680736688009 = 13811350^2 + 5448003^2 .

It is a cyclic number.

It is not a de Polignac number, because 220434125510509 - 2¹¹ = 220434125508461 is a prime.

It is a super-4 number, since 4×220434125510509⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220434125510549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110217062755254 + 110217062755255.

It is an arithmetic number, because the mean of its divisors is an integer number (110217062755255).

Almost surely, 2^{220434125510509} is an apocalyptic number.

It is an amenable number.

220434125510509 is a deficient number, since it is larger than the sum of its proper divisors (1).

220434125510509 is an equidigital number, since it uses as much as digits as its factorization.

220434125510509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 220434125510509 in words is "two hundred twenty trillion, four hundred thirty-four billion, one hundred twenty-five million, five hundred ten thousand, five hundred nine".