34505544221 has 2 divisors, whose sum is σ = 34505544222. Its totient is φ = 34505544220.

The previous prime is 34505544197. The next prime is 34505544253. The reversal of 34505544221 is 12244550543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27025716025 + 7479828196 = 164395^2 + 86486^2 .

It is a cyclic number.

It is not a de Polignac number, because 34505544221 - 2¹⁰ = 34505543197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34505547221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17252772110 + 17252772111.

It is an arithmetic number, because the mean of its divisors is an integer number (17252772111).

Almost surely, 2^34505544221 is an apocalyptic number.

It is an amenable number.

34505544221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34505544221 is an equidigital number, since it uses as much as digits as its factorization.

34505544221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 34505544221 in words is "thirty-four billion, five hundred five million, five hundred forty-four thousand, two hundred twenty-one".