20441305349 has 2 divisors, whose sum is σ = 20441305350. Its totient is φ = 20441305348.

The previous prime is 20441305337. The next prime is 20441305373. The reversal of 20441305349 is 94350314402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13529877124 + 6911428225 = 116318^2 + 83135^2 .

It is a cyclic number.

It is not a de Polignac number, because 20441305349 - 2²⁴ = 20424528133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20441305309) 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, 10220652674 + 10220652675.

It is an arithmetic number, because the mean of its divisors is an integer number (10220652675).

Almost surely, 2^20441305349 is an apocalyptic number.

It is an amenable number.

20441305349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20441305349 is an equidigital number, since it uses as much as digits as its factorization.

20441305349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 20441305349 in words is "twenty billion, four hundred forty-one million, three hundred five thousand, three hundred forty-nine".