44798798309 has 2 divisors, whose sum is σ = 44798798310. Its totient is φ = 44798798308.

The previous prime is 44798798221. The next prime is 44798798311. The reversal of 44798798309 is 90389789744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27188712100 + 17610086209 = 164890^2 + 132703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44798798309 is a prime.

It is a super-2 number, since 2×44798798309² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 44798798311, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44798798909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22399399154 + 22399399155.

It is an arithmetic number, because the mean of its divisors is an integer number (22399399155).

Almost surely, 2^44798798309 is an apocalyptic number.

It is an amenable number.

44798798309 is a deficient number, since it is larger than the sum of its proper divisors (1).

44798798309 is an equidigital number, since it uses as much as digits as its factorization.

44798798309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109734912, while the sum is 68.

The spelling of 44798798309 in words is "forty-four billion, seven hundred ninety-eight million, seven hundred ninety-eight thousand, three hundred nine".