44430001309 has 2 divisors, whose sum is σ = 44430001310. Its totient is φ = 44430001308.

The previous prime is 44430001289. The next prime is 44430001327. The reversal of 44430001309 is 90310003444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33903856900 + 10526144409 = 184130^2 + 102597^2 .

It is a cyclic number.

It is not a de Polignac number, because 44430001309 - 2⁵ = 44430001277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44430001349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22215000654 + 22215000655.

It is an arithmetic number, because the mean of its divisors is an integer number (22215000655).

Almost surely, 2^44430001309 is an apocalyptic number.

It is an amenable number.

44430001309 is a deficient number, since it is larger than the sum of its proper divisors (1).

44430001309 is an equidigital number, since it uses as much as digits as its factorization.

44430001309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 44430001309 in words is "forty-four billion, four hundred thirty million, one thousand, three hundred nine".