44869309 has 2 divisors, whose sum is σ = 44869310. Its totient is φ = 44869308.

The previous prime is 44869301. The next prime is 44869313. The reversal of 44869309 is 90396844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36905625 + 7963684 = 6075^2 + 2822^2 .

It is a cyclic number.

It is not a de Polignac number, because 44869309 - 2³ = 44869301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44869301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22434654 + 22434655.

It is an arithmetic number, because the mean of its divisors is an integer number (22434655).

Almost surely, 2^44869309 is an apocalyptic number.

It is an amenable number.

44869309 is a deficient number, since it is larger than the sum of its proper divisors (1).

44869309 is an equidigital number, since it uses as much as digits as its factorization.

44869309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 44869309 is about 6698.4557175516. The cubic root of 44869309 is about 355.3446603106.

The spelling of 44869309 in words is "forty-four million, eight hundred sixty-nine thousand, three hundred nine".